Home / 5,614.17-8,422.49-1,718.88

Finding the Fourth Proportional to 5,614.17, 8,422.49 and 1,718.88

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Solution

The fourth proportional to 5,614.17, 8,422.49 and 1,718.88 is: 2,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.17 : 8,422.49 = 1,718.88 : x
  2. Step 2: Convert to fraction form
    5,614.17/8,422.49 = 1,718.88/x
  3. Step 3: Cross multiply
    5,614.17x = 8,422.49 × 1,718.88
  4. Step 4: Simplify right side
    5,614.17x = 14,477,241.02
  5. Step 5: Solve for x
    x = 14,477,241.02/5,614.17
  6. Step 6: Final answer
    x = 2,578.70

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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.