Home / 7,829.40-11,748.27-3,149.98

Finding the Fourth Proportional to 7,829.40, 11,748.27 and 3,149.98

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Solution

The fourth proportional to 7,829.40, 11,748.27 and 3,149.98 is: 4,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.40 : 11,748.27 = 3,149.98 : x
  2. Step 2: Convert to fraction form
    7,829.40/11,748.27 = 3,149.98/x
  3. Step 3: Cross multiply
    7,829.40x = 11,748.27 × 3,149.98
  4. Step 4: Simplify right side
    7,829.40x = 37,006,815.53
  5. Step 5: Solve for x
    x = 37,006,815.53/7,829.40
  6. Step 6: Final answer
    x = 4,726.65

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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.