Home / 8,488.28-11,697.90-6,126.32

Finding the Fourth Proportional to 8,488.28, 11,697.90 and 6,126.32

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Solution

The fourth proportional to 8,488.28, 11,697.90 and 6,126.32 is: 8,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.28 : 11,697.90 = 6,126.32 : x
  2. Step 2: Convert to fraction form
    8,488.28/11,697.90 = 6,126.32/x
  3. Step 3: Cross multiply
    8,488.28x = 11,697.90 × 6,126.32
  4. Step 4: Simplify right side
    8,488.28x = 71,665,078.73
  5. Step 5: Solve for x
    x = 71,665,078.73/8,488.28
  6. Step 6: Final answer
    x = 8,442.83

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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.