Home / 7,132.28-9,842.04-4,147.91

Finding the Fourth Proportional to 7,132.28, 9,842.04 and 4,147.91

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Solution

The fourth proportional to 7,132.28, 9,842.04 and 4,147.91 is: 5,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.28 : 9,842.04 = 4,147.91 : x
  2. Step 2: Convert to fraction form
    7,132.28/9,842.04 = 4,147.91/x
  3. Step 3: Cross multiply
    7,132.28x = 9,842.04 × 4,147.91
  4. Step 4: Simplify right side
    7,132.28x = 40,823,846.93
  5. Step 5: Solve for x
    x = 40,823,846.93/7,132.28
  6. Step 6: Final answer
    x = 5,723.82

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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.