Home / 5,167.20-7,144.56-4,511.10

Finding the Fourth Proportional to 5,167.20, 7,144.56 and 4,511.10

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Solution

The fourth proportional to 5,167.20, 7,144.56 and 4,511.10 is: 6,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.20 : 7,144.56 = 4,511.10 : x
  2. Step 2: Convert to fraction form
    5,167.20/7,144.56 = 4,511.10/x
  3. Step 3: Cross multiply
    5,167.20x = 7,144.56 × 4,511.10
  4. Step 4: Simplify right side
    5,167.20x = 32,229,824.62
  5. Step 5: Solve for x
    x = 32,229,824.62/5,167.20
  6. Step 6: Final answer
    x = 6,237.39

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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.