Home / 5,425.41-8,139.35-1,962.66

Finding the Fourth Proportional to 5,425.41, 8,139.35 and 1,962.66

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Solution

The fourth proportional to 5,425.41, 8,139.35 and 1,962.66 is: 2,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.41 : 8,139.35 = 1,962.66 : x
  2. Step 2: Convert to fraction form
    5,425.41/8,139.35 = 1,962.66/x
  3. Step 3: Cross multiply
    5,425.41x = 8,139.35 × 1,962.66
  4. Step 4: Simplify right side
    5,425.41x = 15,974,766.86
  5. Step 5: Solve for x
    x = 15,974,766.86/5,425.41
  6. Step 6: Final answer
    x = 2,944.43

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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.