Home / 5,221.56-7,832.33-1,325.97

Finding the Fourth Proportional to 5,221.56, 7,832.33 and 1,325.97

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Solution

The fourth proportional to 5,221.56, 7,832.33 and 1,325.97 is: 1,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.56 : 7,832.33 = 1,325.97 : x
  2. Step 2: Convert to fraction form
    5,221.56/7,832.33 = 1,325.97/x
  3. Step 3: Cross multiply
    5,221.56x = 7,832.33 × 1,325.97
  4. Step 4: Simplify right side
    5,221.56x = 10,385,432.95
  5. Step 5: Solve for x
    x = 10,385,432.95/5,221.56
  6. Step 6: Final answer
    x = 1,988.95

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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.