Home / 10,442.06-15,658.88-3,868.76

Finding the Fourth Proportional to 10,442.06, 15,658.88 and 3,868.76

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Solution

The fourth proportional to 10,442.06, 15,658.88 and 3,868.76 is: 5,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.06 : 15,658.88 = 3,868.76 : x
  2. Step 2: Convert to fraction form
    10,442.06/15,658.88 = 3,868.76/x
  3. Step 3: Cross multiply
    10,442.06x = 15,658.88 × 3,868.76
  4. Step 4: Simplify right side
    10,442.06x = 60,580,379.97
  5. Step 5: Solve for x
    x = 60,580,379.97/10,442.06
  6. Step 6: Final answer
    x = 5,801.58

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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.