Home / 6,520.20-9,001.89-5,025.12

Finding the Fourth Proportional to 6,520.20, 9,001.89 and 5,025.12

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Solution

The fourth proportional to 6,520.20, 9,001.89 and 5,025.12 is: 6,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.20 : 9,001.89 = 5,025.12 : x
  2. Step 2: Convert to fraction form
    6,520.20/9,001.89 = 5,025.12/x
  3. Step 3: Cross multiply
    6,520.20x = 9,001.89 × 5,025.12
  4. Step 4: Simplify right side
    6,520.20x = 45,235,577.48
  5. Step 5: Solve for x
    x = 45,235,577.48/6,520.20
  6. Step 6: Final answer
    x = 6,937.76

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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.