Home / 5,422.68-8,134.29-1,725.17

Finding the Fourth Proportional to 5,422.68, 8,134.29 and 1,725.17

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Solution

The fourth proportional to 5,422.68, 8,134.29 and 1,725.17 is: 2,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.68 : 8,134.29 = 1,725.17 : x
  2. Step 2: Convert to fraction form
    5,422.68/8,134.29 = 1,725.17/x
  3. Step 3: Cross multiply
    5,422.68x = 8,134.29 × 1,725.17
  4. Step 4: Simplify right side
    5,422.68x = 14,032,992.41
  5. Step 5: Solve for x
    x = 14,032,992.41/5,422.68
  6. Step 6: Final answer
    x = 2,587.83

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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.