Home / 8,142.76-11,236.50-4,606.36

Finding the Fourth Proportional to 8,142.76, 11,236.50 and 4,606.36

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Solution

The fourth proportional to 8,142.76, 11,236.50 and 4,606.36 is: 6,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.76 : 11,236.50 = 4,606.36 : x
  2. Step 2: Convert to fraction form
    8,142.76/11,236.50 = 4,606.36/x
  3. Step 3: Cross multiply
    8,142.76x = 11,236.50 × 4,606.36
  4. Step 4: Simplify right side
    8,142.76x = 51,759,364.14
  5. Step 5: Solve for x
    x = 51,759,364.14/8,142.76
  6. Step 6: Final answer
    x = 6,356.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,143.76, 11,237.88 and 4,607.36
Similar ratio
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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.