Home / 7,873.38-11,809.17-2,607.12

Finding the Fourth Proportional to 7,873.38, 11,809.17 and 2,607.12

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Solution

The fourth proportional to 7,873.38, 11,809.17 and 2,607.12 is: 3,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.38 : 11,809.17 = 2,607.12 : x
  2. Step 2: Convert to fraction form
    7,873.38/11,809.17 = 2,607.12/x
  3. Step 3: Cross multiply
    7,873.38x = 11,809.17 × 2,607.12
  4. Step 4: Simplify right side
    7,873.38x = 30,787,923.29
  5. Step 5: Solve for x
    x = 30,787,923.29/7,873.38
  6. Step 6: Final answer
    x = 3,910.38

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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.