Home / 8,201.71-11,318.13-4,617.05

Finding the Fourth Proportional to 8,201.71, 11,318.13 and 4,617.05

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Solution

The fourth proportional to 8,201.71, 11,318.13 and 4,617.05 is: 6,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.71 : 11,318.13 = 4,617.05 : x
  2. Step 2: Convert to fraction form
    8,201.71/11,318.13 = 4,617.05/x
  3. Step 3: Cross multiply
    8,201.71x = 11,318.13 × 4,617.05
  4. Step 4: Simplify right side
    8,201.71x = 52,256,400.41
  5. Step 5: Solve for x
    x = 52,256,400.41/8,201.71
  6. Step 6: Final answer
    x = 6,371.41

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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.