Home / 6,520.72-9,001.40-4,003.24

Finding the Fourth Proportional to 6,520.72, 9,001.40 and 4,003.24

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Solution

The fourth proportional to 6,520.72, 9,001.40 and 4,003.24 is: 5,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.72 : 9,001.40 = 4,003.24 : x
  2. Step 2: Convert to fraction form
    6,520.72/9,001.40 = 4,003.24/x
  3. Step 3: Cross multiply
    6,520.72x = 9,001.40 × 4,003.24
  4. Step 4: Simplify right side
    6,520.72x = 36,034,764.54
  5. Step 5: Solve for x
    x = 36,034,764.54/6,520.72
  6. Step 6: Final answer
    x = 5,526.19

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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.