Home / 5,614.49-8,422.14-1,718.39

Finding the Fourth Proportional to 5,614.49, 8,422.14 and 1,718.39

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Solution

The fourth proportional to 5,614.49, 8,422.14 and 1,718.39 is: 2,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.49 : 8,422.14 = 1,718.39 : x
  2. Step 2: Convert to fraction form
    5,614.49/8,422.14 = 1,718.39/x
  3. Step 3: Cross multiply
    5,614.49x = 8,422.14 × 1,718.39
  4. Step 4: Simplify right side
    5,614.49x = 14,472,521.15
  5. Step 5: Solve for x
    x = 14,472,521.15/5,614.49
  6. Step 6: Final answer
    x = 2,577.71

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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.