Home / 8,264.43-11,394.27-5,115.15

Finding the Fourth Proportional to 8,264.43, 11,394.27 and 5,115.15

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Solution

The fourth proportional to 8,264.43, 11,394.27 and 5,115.15 is: 7,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.43 : 11,394.27 = 5,115.15 : x
  2. Step 2: Convert to fraction form
    8,264.43/11,394.27 = 5,115.15/x
  3. Step 3: Cross multiply
    8,264.43x = 11,394.27 × 5,115.15
  4. Step 4: Simplify right side
    8,264.43x = 58,283,400.19
  5. Step 5: Solve for x
    x = 58,283,400.19/8,264.43
  6. Step 6: Final answer
    x = 7,052.32

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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.