Home / 10,484.88-15,729.38-3,464.61

Finding the Fourth Proportional to 10,484.88, 15,729.38 and 3,464.61

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Solution

The fourth proportional to 10,484.88, 15,729.38 and 3,464.61 is: 5,197.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.88 : 15,729.38 = 3,464.61 : x
  2. Step 2: Convert to fraction form
    10,484.88/15,729.38 = 3,464.61/x
  3. Step 3: Cross multiply
    10,484.88x = 15,729.38 × 3,464.61
  4. Step 4: Simplify right side
    10,484.88x = 54,496,149.92
  5. Step 5: Solve for x
    x = 54,496,149.92/10,484.88
  6. Step 6: Final answer
    x = 5,197.59

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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.