Home / 7,235.15-10,854.51-5,149.97

Finding the Fourth Proportional to 7,235.15, 10,854.51 and 5,149.97

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Solution

The fourth proportional to 7,235.15, 10,854.51 and 5,149.97 is: 7,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.15 : 10,854.51 = 5,149.97 : x
  2. Step 2: Convert to fraction form
    7,235.15/10,854.51 = 5,149.97/x
  3. Step 3: Cross multiply
    7,235.15x = 10,854.51 × 5,149.97
  4. Step 4: Simplify right side
    7,235.15x = 55,900,367.98
  5. Step 5: Solve for x
    x = 55,900,367.98/7,235.15
  6. Step 6: Final answer
    x = 7,726.23

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1.5x scale

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.