Home / 4,291.12-6,437.18-1,517.21

Finding the Fourth Proportional to 4,291.12, 6,437.18 and 1,517.21

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Solution

The fourth proportional to 4,291.12, 6,437.18 and 1,517.21 is: 2,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.12 : 6,437.18 = 1,517.21 : x
  2. Step 2: Convert to fraction form
    4,291.12/6,437.18 = 1,517.21/x
  3. Step 3: Cross multiply
    4,291.12x = 6,437.18 × 1,517.21
  4. Step 4: Simplify right side
    4,291.12x = 9,766,553.87
  5. Step 5: Solve for x
    x = 9,766,553.87/4,291.12
  6. Step 6: Final answer
    x = 2,275.99

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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.