Home / 7,329.39-10,114.54-3,972.29

Finding the Fourth Proportional to 7,329.39, 10,114.54 and 3,972.29

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Solution

The fourth proportional to 7,329.39, 10,114.54 and 3,972.29 is: 5,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.39 : 10,114.54 = 3,972.29 : x
  2. Step 2: Convert to fraction form
    7,329.39/10,114.54 = 3,972.29/x
  3. Step 3: Cross multiply
    7,329.39x = 10,114.54 × 3,972.29
  4. Step 4: Simplify right side
    7,329.39x = 40,177,863.52
  5. Step 5: Solve for x
    x = 40,177,863.52/7,329.39
  6. Step 6: Final answer
    x = 5,481.74

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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.