Home / 7,330.18-10,115.53-3,972.96

Finding the Fourth Proportional to 7,330.18, 10,115.53 and 3,972.96

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Solution

The fourth proportional to 7,330.18, 10,115.53 and 3,972.96 is: 5,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.18 : 10,115.53 = 3,972.96 : x
  2. Step 2: Convert to fraction form
    7,330.18/10,115.53 = 3,972.96/x
  3. Step 3: Cross multiply
    7,330.18x = 10,115.53 × 3,972.96
  4. Step 4: Simplify right side
    7,330.18x = 40,188,601.49
  5. Step 5: Solve for x
    x = 40,188,601.49/7,330.18
  6. Step 6: Final answer
    x = 5,482.63

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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.