Home / 7,329.50-10,114.62-3,972.32

Finding the Fourth Proportional to 7,329.50, 10,114.62 and 3,972.32

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Solution

The fourth proportional to 7,329.50, 10,114.62 and 3,972.32 is: 5,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.50 : 10,114.62 = 3,972.32 : x
  2. Step 2: Convert to fraction form
    7,329.50/10,114.62 = 3,972.32/x
  3. Step 3: Cross multiply
    7,329.50x = 10,114.62 × 3,972.32
  4. Step 4: Simplify right side
    7,329.50x = 40,178,507.32
  5. Step 5: Solve for x
    x = 40,178,507.32/7,329.50
  6. Step 6: Final answer
    x = 5,481.75

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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.