Home / 8,781.54-13,177.49-3,238.77

Finding the Fourth Proportional to 8,781.54, 13,177.49 and 3,238.77

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Solution

The fourth proportional to 8,781.54, 13,177.49 and 3,238.77 is: 4,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.54 : 13,177.49 = 3,238.77 : x
  2. Step 2: Convert to fraction form
    8,781.54/13,177.49 = 3,238.77/x
  3. Step 3: Cross multiply
    8,781.54x = 13,177.49 × 3,238.77
  4. Step 4: Simplify right side
    8,781.54x = 42,678,859.29
  5. Step 5: Solve for x
    x = 42,678,859.29/8,781.54
  6. Step 6: Final answer
    x = 4,860.07

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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.