Home / 7,502.77-11,243.34-5,512.76

Finding the Fourth Proportional to 7,502.77, 11,243.34 and 5,512.76

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Solution

The fourth proportional to 7,502.77, 11,243.34 and 5,512.76 is: 8,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.77 : 11,243.34 = 5,512.76 : x
  2. Step 2: Convert to fraction form
    7,502.77/11,243.34 = 5,512.76/x
  3. Step 3: Cross multiply
    7,502.77x = 11,243.34 × 5,512.76
  4. Step 4: Simplify right side
    7,502.77x = 61,981,778.80
  5. Step 5: Solve for x
    x = 61,981,778.80/7,502.77
  6. Step 6: Final answer
    x = 8,261.19

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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.