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Finding the Fourth Proportional to 6,520.91, 9,001.90 and 4,371.10

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Solution

The fourth proportional to 6,520.91, 9,001.90 and 4,371.10 is: 6,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.91 : 9,001.90 = 4,371.10 : x
  2. Step 2: Convert to fraction form
    6,520.91/9,001.90 = 4,371.10/x
  3. Step 3: Cross multiply
    6,520.91x = 9,001.90 × 4,371.10
  4. Step 4: Simplify right side
    6,520.91x = 39,348,188.05
  5. Step 5: Solve for x
    x = 39,348,188.05/6,520.91
  6. Step 6: Final answer
    x = 6,034.16

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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.