Home / 8,557.62-11,816.19-6,565.02

Finding the Fourth Proportional to 8,557.62, 11,816.19 and 6,565.02

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Solution

The fourth proportional to 8,557.62, 11,816.19 and 6,565.02 is: 9,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.62 : 11,816.19 = 6,565.02 : x
  2. Step 2: Convert to fraction form
    8,557.62/11,816.19 = 6,565.02/x
  3. Step 3: Cross multiply
    8,557.62x = 11,816.19 × 6,565.02
  4. Step 4: Simplify right side
    8,557.62x = 77,573,523.67
  5. Step 5: Solve for x
    x = 77,573,523.67/8,557.62
  6. Step 6: Final answer
    x = 9,064.85

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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.