Home / 6,471.20-9,707.16-2,089.04

Finding the Fourth Proportional to 6,471.20, 9,707.16 and 2,089.04

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Solution

The fourth proportional to 6,471.20, 9,707.16 and 2,089.04 is: 3,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.20 : 9,707.16 = 2,089.04 : x
  2. Step 2: Convert to fraction form
    6,471.20/9,707.16 = 2,089.04/x
  3. Step 3: Cross multiply
    6,471.20x = 9,707.16 × 2,089.04
  4. Step 4: Simplify right side
    6,471.20x = 20,278,645.53
  5. Step 5: Solve for x
    x = 20,278,645.53/6,471.20
  6. Step 6: Final answer
    x = 3,133.68

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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.