Home / 7,291.80-10,062.36-4,147.92

Finding the Fourth Proportional to 7,291.80, 10,062.36 and 4,147.92

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Solution

The fourth proportional to 7,291.80, 10,062.36 and 4,147.92 is: 5,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.80 : 10,062.36 = 4,147.92 : x
  2. Step 2: Convert to fraction form
    7,291.80/10,062.36 = 4,147.92/x
  3. Step 3: Cross multiply
    7,291.80x = 10,062.36 × 4,147.92
  4. Step 4: Simplify right side
    7,291.80x = 41,737,864.29
  5. Step 5: Solve for x
    x = 41,737,864.29/7,291.80
  6. Step 6: Final answer
    x = 5,723.95

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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.