Home / 8,557.16-11,805.42-5,575.52

Finding the Fourth Proportional to 8,557.16, 11,805.42 and 5,575.52

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Solution

The fourth proportional to 8,557.16, 11,805.42 and 5,575.52 is: 7,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.16 : 11,805.42 = 5,575.52 : x
  2. Step 2: Convert to fraction form
    8,557.16/11,805.42 = 5,575.52/x
  3. Step 3: Cross multiply
    8,557.16x = 11,805.42 × 5,575.52
  4. Step 4: Simplify right side
    8,557.16x = 65,821,355.32
  5. Step 5: Solve for x
    x = 65,821,355.32/8,557.16
  6. Step 6: Final answer
    x = 7,691.96

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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.