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Finding the Fourth Proportional to 6,159.91, 9,250.95 and 5,665.42

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Solution

The fourth proportional to 6,159.91, 9,250.95 and 5,665.42 is: 8,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159.91 : 9,250.95 = 5,665.42 : x
  2. Step 2: Convert to fraction form
    6,159.91/9,250.95 = 5,665.42/x
  3. Step 3: Cross multiply
    6,159.91x = 9,250.95 × 5,665.42
  4. Step 4: Simplify right side
    6,159.91x = 52,410,486.94
  5. Step 5: Solve for x
    x = 52,410,486.94/6,159.91
  6. Step 6: Final answer
    x = 8,508.32

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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.