Home / 8,195.36-12,291.42-2,999.48

Finding the Fourth Proportional to 8,195.36, 12,291.42 and 2,999.48

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Solution

The fourth proportional to 8,195.36, 12,291.42 and 2,999.48 is: 4,498.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.36 : 12,291.42 = 2,999.48 : x
  2. Step 2: Convert to fraction form
    8,195.36/12,291.42 = 2,999.48/x
  3. Step 3: Cross multiply
    8,195.36x = 12,291.42 × 2,999.48
  4. Step 4: Simplify right side
    8,195.36x = 36,867,868.46
  5. Step 5: Solve for x
    x = 36,867,868.46/8,195.36
  6. Step 6: Final answer
    x = 4,498.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.