Home / 7,151.08-10,726.92-2,708.31

Finding the Fourth Proportional to 7,151.08, 10,726.92 and 2,708.31

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Solution

The fourth proportional to 7,151.08, 10,726.92 and 2,708.31 is: 4,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.08 : 10,726.92 = 2,708.31 : x
  2. Step 2: Convert to fraction form
    7,151.08/10,726.92 = 2,708.31/x
  3. Step 3: Cross multiply
    7,151.08x = 10,726.92 × 2,708.31
  4. Step 4: Simplify right side
    7,151.08x = 29,051,811.16
  5. Step 5: Solve for x
    x = 29,051,811.16/7,151.08
  6. Step 6: Final answer
    x = 4,062.58

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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.