Home / 7,732.16-10,663.80-5,379.92

Finding the Fourth Proportional to 7,732.16, 10,663.80 and 5,379.92

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Solution

The fourth proportional to 7,732.16, 10,663.80 and 5,379.92 is: 7,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,732.16 : 10,663.80 = 5,379.92 : x
  2. Step 2: Convert to fraction form
    7,732.16/10,663.80 = 5,379.92/x
  3. Step 3: Cross multiply
    7,732.16x = 10,663.80 × 5,379.92
  4. Step 4: Simplify right side
    7,732.16x = 57,370,390.90
  5. Step 5: Solve for x
    x = 57,370,390.90/7,732.16
  6. Step 6: Final answer
    x = 7,419.71

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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.