Home / 7,989.19-11,024.98-4,452.39

Finding the Fourth Proportional to 7,989.19, 11,024.98 and 4,452.39

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Solution

The fourth proportional to 7,989.19, 11,024.98 and 4,452.39 is: 6,144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.19 : 11,024.98 = 4,452.39 : x
  2. Step 2: Convert to fraction form
    7,989.19/11,024.98 = 4,452.39/x
  3. Step 3: Cross multiply
    7,989.19x = 11,024.98 × 4,452.39
  4. Step 4: Simplify right side
    7,989.19x = 49,087,499.57
  5. Step 5: Solve for x
    x = 49,087,499.57/7,989.19
  6. Step 6: Final answer
    x = 6,144.24

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Double scale
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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.