Home / 5,449.68-8,167.16-2,817.05

Finding the Fourth Proportional to 5,449.68, 8,167.16 and 2,817.05

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Solution

The fourth proportional to 5,449.68, 8,167.16 and 2,817.05 is: 4,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.68 : 8,167.16 = 2,817.05 : x
  2. Step 2: Convert to fraction form
    5,449.68/8,167.16 = 2,817.05/x
  3. Step 3: Cross multiply
    5,449.68x = 8,167.16 × 2,817.05
  4. Step 4: Simplify right side
    5,449.68x = 23,007,264.28
  5. Step 5: Solve for x
    x = 23,007,264.28/5,449.68
  6. Step 6: Final answer
    x = 4,221.76

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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.