Home / 7,330.17-10,115.55-3,972.99

Finding the Fourth Proportional to 7,330.17, 10,115.55 and 3,972.99

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Solution

The fourth proportional to 7,330.17, 10,115.55 and 3,972.99 is: 5,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.17 : 10,115.55 = 3,972.99 : x
  2. Step 2: Convert to fraction form
    7,330.17/10,115.55 = 3,972.99/x
  3. Step 3: Cross multiply
    7,330.17x = 10,115.55 × 3,972.99
  4. Step 4: Simplify right side
    7,330.17x = 40,188,978.99
  5. Step 5: Solve for x
    x = 40,188,978.99/7,330.17
  6. Step 6: Final answer
    x = 5,482.68

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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.