Home / 5,179.04-7,142.48-3,387.53

Finding the Fourth Proportional to 5,179.04, 7,142.48 and 3,387.53

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Solution

The fourth proportional to 5,179.04, 7,142.48 and 3,387.53 is: 4,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.04 : 7,142.48 = 3,387.53 : x
  2. Step 2: Convert to fraction form
    5,179.04/7,142.48 = 3,387.53/x
  3. Step 3: Cross multiply
    5,179.04x = 7,142.48 × 3,387.53
  4. Step 4: Simplify right side
    5,179.04x = 24,195,329.56
  5. Step 5: Solve for x
    x = 24,195,329.56/5,179.04
  6. Step 6: Final answer
    x = 4,671.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.