Home / 5,616.28-8,422.97-1,666.61

Finding the Fourth Proportional to 5,616.28, 8,422.97 and 1,666.61

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Solution

The fourth proportional to 5,616.28, 8,422.97 and 1,666.61 is: 2,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.28 : 8,422.97 = 1,666.61 : x
  2. Step 2: Convert to fraction form
    5,616.28/8,422.97 = 1,666.61/x
  3. Step 3: Cross multiply
    5,616.28x = 8,422.97 × 1,666.61
  4. Step 4: Simplify right side
    5,616.28x = 14,037,806.03
  5. Step 5: Solve for x
    x = 14,037,806.03/5,616.28
  6. Step 6: Final answer
    x = 2,499.48

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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.