Home / 4,687.97-7,025.85-4,191.49

Finding the Fourth Proportional to 4,687.97, 7,025.85 and 4,191.49

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Solution

The fourth proportional to 4,687.97, 7,025.85 and 4,191.49 is: 6,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.97 : 7,025.85 = 4,191.49 : x
  2. Step 2: Convert to fraction form
    4,687.97/7,025.85 = 4,191.49/x
  3. Step 3: Cross multiply
    4,687.97x = 7,025.85 × 4,191.49
  4. Step 4: Simplify right side
    4,687.97x = 29,448,762.45
  5. Step 5: Solve for x
    x = 29,448,762.45/4,687.97
  6. Step 6: Final answer
    x = 6,281.78

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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.