Home / 8,042.36-11,099.15-4,685.49

Finding the Fourth Proportional to 8,042.36, 11,099.15 and 4,685.49

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Solution

The fourth proportional to 8,042.36, 11,099.15 and 4,685.49 is: 6,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.36 : 11,099.15 = 4,685.49 : x
  2. Step 2: Convert to fraction form
    8,042.36/11,099.15 = 4,685.49/x
  3. Step 3: Cross multiply
    8,042.36x = 11,099.15 × 4,685.49
  4. Step 4: Simplify right side
    8,042.36x = 52,004,932.91
  5. Step 5: Solve for x
    x = 52,004,932.91/8,042.36
  6. Step 6: Final answer
    x = 6,466.38

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Find fourth proportional to 4,021.18, 5,549.57 and 2,342.75
Half scale
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Double scale
Find fourth proportional to 8,043.36, 11,100.53 and 4,686.49
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.