Home / 8,691.38-11,995.27-5,333.57

Finding the Fourth Proportional to 8,691.38, 11,995.27 and 5,333.57

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Solution

The fourth proportional to 8,691.38, 11,995.27 and 5,333.57 is: 7,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.38 : 11,995.27 = 5,333.57 : x
  2. Step 2: Convert to fraction form
    8,691.38/11,995.27 = 5,333.57/x
  3. Step 3: Cross multiply
    8,691.38x = 11,995.27 × 5,333.57
  4. Step 4: Simplify right side
    8,691.38x = 63,977,612.21
  5. Step 5: Solve for x
    x = 63,977,612.21/8,691.38
  6. Step 6: Final answer
    x = 7,361.04

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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.