Home / 7,920.39-11,882.64-2,373.62

Finding the Fourth Proportional to 7,920.39, 11,882.64 and 2,373.62

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Solution

The fourth proportional to 7,920.39, 11,882.64 and 2,373.62 is: 3,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.39 : 11,882.64 = 2,373.62 : x
  2. Step 2: Convert to fraction form
    7,920.39/11,882.64 = 2,373.62/x
  3. Step 3: Cross multiply
    7,920.39x = 11,882.64 × 2,373.62
  4. Step 4: Simplify right side
    7,920.39x = 28,204,812.54
  5. Step 5: Solve for x
    x = 28,204,812.54/7,920.39
  6. Step 6: Final answer
    x = 3,561.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.