Home / 8,727.44-12,045.12-5,747.76

Finding the Fourth Proportional to 8,727.44, 12,045.12 and 5,747.76

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Solution

The fourth proportional to 8,727.44, 12,045.12 and 5,747.76 is: 7,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.44 : 12,045.12 = 5,747.76 : x
  2. Step 2: Convert to fraction form
    8,727.44/12,045.12 = 5,747.76/x
  3. Step 3: Cross multiply
    8,727.44x = 12,045.12 × 5,747.76
  4. Step 4: Simplify right side
    8,727.44x = 69,232,458.93
  5. Step 5: Solve for x
    x = 69,232,458.93/8,727.44
  6. Step 6: Final answer
    x = 7,932.73

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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.