Home / 5,614.20-8,422.20-1,717.70

Finding the Fourth Proportional to 5,614.20, 8,422.20 and 1,717.70

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Solution

The fourth proportional to 5,614.20, 8,422.20 and 1,717.70 is: 2,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.20 : 8,422.20 = 1,717.70 : x
  2. Step 2: Convert to fraction form
    5,614.20/8,422.20 = 1,717.70/x
  3. Step 3: Cross multiply
    5,614.20x = 8,422.20 × 1,717.70
  4. Step 4: Simplify right side
    5,614.20x = 14,466,770.83
  5. Step 5: Solve for x
    x = 14,466,770.83/5,614.20
  6. Step 6: Final answer
    x = 2,576.82

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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.