Home / 7,331.52-10,113.92-4,186.88

Finding the Fourth Proportional to 7,331.52, 10,113.92 and 4,186.88

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Solution

The fourth proportional to 7,331.52, 10,113.92 and 4,186.88 is: 5,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.52 : 10,113.92 = 4,186.88 : x
  2. Step 2: Convert to fraction form
    7,331.52/10,113.92 = 4,186.88/x
  3. Step 3: Cross multiply
    7,331.52x = 10,113.92 × 4,186.88
  4. Step 4: Simplify right side
    7,331.52x = 42,345,769.37
  5. Step 5: Solve for x
    x = 42,345,769.37/7,331.52
  6. Step 6: Final answer
    x = 5,775.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.