Home / 10,652.33-15,979.67-2,861.75

Finding the Fourth Proportional to 10,652.33, 15,979.67 and 2,861.75

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Solution

The fourth proportional to 10,652.33, 15,979.67 and 2,861.75 is: 4,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.33 : 15,979.67 = 2,861.75 : x
  2. Step 2: Convert to fraction form
    10,652.33/15,979.67 = 2,861.75/x
  3. Step 3: Cross multiply
    10,652.33x = 15,979.67 × 2,861.75
  4. Step 4: Simplify right side
    10,652.33x = 45,729,726.42
  5. Step 5: Solve for x
    x = 45,729,726.42/10,652.33
  6. Step 6: Final answer
    x = 4,292.93

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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.