Home / 5,614.89-8,422.28-2,152.14

Finding the Fourth Proportional to 5,614.89, 8,422.28 and 2,152.14

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Solution

The fourth proportional to 5,614.89, 8,422.28 and 2,152.14 is: 3,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.89 : 8,422.28 = 2,152.14 : x
  2. Step 2: Convert to fraction form
    5,614.89/8,422.28 = 2,152.14/x
  3. Step 3: Cross multiply
    5,614.89x = 8,422.28 × 2,152.14
  4. Step 4: Simplify right side
    5,614.89x = 18,125,891.41
  5. Step 5: Solve for x
    x = 18,125,891.41/5,614.89
  6. Step 6: Final answer
    x = 3,228.18

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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.