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Finding the Fourth Proportional to 4,500.57, 6,750.88 and 1,578.20

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Solution

The fourth proportional to 4,500.57, 6,750.88 and 1,578.20 is: 2,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500.57 : 6,750.88 = 1,578.20 : x
  2. Step 2: Convert to fraction form
    4,500.57/6,750.88 = 1,578.20/x
  3. Step 3: Cross multiply
    4,500.57x = 6,750.88 × 1,578.20
  4. Step 4: Simplify right side
    4,500.57x = 10,654,201.12
  5. Step 5: Solve for x
    x = 10,654,201.12/4,500.57
  6. Step 6: Final answer
    x = 2,367.30

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1.5x scale

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.