Home / 10,879.08-16,320.54-3,484.84

Finding the Fourth Proportional to 10,879.08, 16,320.54 and 3,484.84

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Solution

The fourth proportional to 10,879.08, 16,320.54 and 3,484.84 is: 5,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.08 : 16,320.54 = 3,484.84 : x
  2. Step 2: Convert to fraction form
    10,879.08/16,320.54 = 3,484.84/x
  3. Step 3: Cross multiply
    10,879.08x = 16,320.54 × 3,484.84
  4. Step 4: Simplify right side
    10,879.08x = 56,874,470.61
  5. Step 5: Solve for x
    x = 56,874,470.61/10,879.08
  6. Step 6: Final answer
    x = 5,227.88

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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.