Home / 4,966.85-7,452.15-3,115.90

Finding the Fourth Proportional to 4,966.85, 7,452.15 and 3,115.90

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Solution

The fourth proportional to 4,966.85, 7,452.15 and 3,115.90 is: 4,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.85 : 7,452.15 = 3,115.90 : x
  2. Step 2: Convert to fraction form
    4,966.85/7,452.15 = 3,115.90/x
  3. Step 3: Cross multiply
    4,966.85x = 7,452.15 × 3,115.90
  4. Step 4: Simplify right side
    4,966.85x = 23,220,154.19
  5. Step 5: Solve for x
    x = 23,220,154.19/4,966.85
  6. Step 6: Final answer
    x = 4,675.03

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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.