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Finding the Fourth Proportional to 8,053.97, 12,087.90 and 5,590.52

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Solution

The fourth proportional to 8,053.97, 12,087.90 and 5,590.52 is: 8,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.97 : 12,087.90 = 5,590.52 : x
  2. Step 2: Convert to fraction form
    8,053.97/12,087.90 = 5,590.52/x
  3. Step 3: Cross multiply
    8,053.97x = 12,087.90 × 5,590.52
  4. Step 4: Simplify right side
    8,053.97x = 67,577,646.71
  5. Step 5: Solve for x
    x = 67,577,646.71/8,053.97
  6. Step 6: Final answer
    x = 8,390.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.