Home / 8,144.27-11,248.30-5,487.06

Finding the Fourth Proportional to 8,144.27, 11,248.30 and 5,487.06

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Solution

The fourth proportional to 8,144.27, 11,248.30 and 5,487.06 is: 7,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.27 : 11,248.30 = 5,487.06 : x
  2. Step 2: Convert to fraction form
    8,144.27/11,248.30 = 5,487.06/x
  3. Step 3: Cross multiply
    8,144.27x = 11,248.30 × 5,487.06
  4. Step 4: Simplify right side
    8,144.27x = 61,720,097.00
  5. Step 5: Solve for x
    x = 61,720,097.00/8,144.27
  6. Step 6: Final answer
    x = 7,578.35

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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.