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Finding the Fourth Proportional to 4,977.57, 7,454.03 and 2,891.24

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Solution

The fourth proportional to 4,977.57, 7,454.03 and 2,891.24 is: 4,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.57 : 7,454.03 = 2,891.24 : x
  2. Step 2: Convert to fraction form
    4,977.57/7,454.03 = 2,891.24/x
  3. Step 3: Cross multiply
    4,977.57x = 7,454.03 × 2,891.24
  4. Step 4: Simplify right side
    4,977.57x = 21,551,432.25
  5. Step 5: Solve for x
    x = 21,551,432.25/4,977.57
  6. Step 6: Final answer
    x = 4,329.71

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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.