Home / 7,329.59-10,114.85-3,972.39

Finding the Fourth Proportional to 7,329.59, 10,114.85 and 3,972.39

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Solution

The fourth proportional to 7,329.59, 10,114.85 and 3,972.39 is: 5,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.59 : 10,114.85 = 3,972.39 : x
  2. Step 2: Convert to fraction form
    7,329.59/10,114.85 = 3,972.39/x
  3. Step 3: Cross multiply
    7,329.59x = 10,114.85 × 3,972.39
  4. Step 4: Simplify right side
    7,329.59x = 40,180,155.35
  5. Step 5: Solve for x
    x = 40,180,155.35/7,329.59
  6. Step 6: Final answer
    x = 5,481.91

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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.