Home / 8,219.68-11,352.60-5,991.52

Finding the Fourth Proportional to 8,219.68, 11,352.60 and 5,991.52

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Solution

The fourth proportional to 8,219.68, 11,352.60 and 5,991.52 is: 8,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.68 : 11,352.60 = 5,991.52 : x
  2. Step 2: Convert to fraction form
    8,219.68/11,352.60 = 5,991.52/x
  3. Step 3: Cross multiply
    8,219.68x = 11,352.60 × 5,991.52
  4. Step 4: Simplify right side
    8,219.68x = 68,019,329.95
  5. Step 5: Solve for x
    x = 68,019,329.95/8,219.68
  6. Step 6: Final answer
    x = 8,275.18

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.