Home / 7,329.47-10,114.65-3,972.37

Finding the Fourth Proportional to 7,329.47, 10,114.65 and 3,972.37

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Solution

The fourth proportional to 7,329.47, 10,114.65 and 3,972.37 is: 5,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.47 : 10,114.65 = 3,972.37 : x
  2. Step 2: Convert to fraction form
    7,329.47/10,114.65 = 3,972.37/x
  3. Step 3: Cross multiply
    7,329.47x = 10,114.65 × 3,972.37
  4. Step 4: Simplify right side
    7,329.47x = 40,179,132.22
  5. Step 5: Solve for x
    x = 40,179,132.22/7,329.47
  6. Step 6: Final answer
    x = 5,481.86

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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.