Home / 8,882.78-13,326.38-2,642.76

Finding the Fourth Proportional to 8,882.78, 13,326.38 and 2,642.76

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Solution

The fourth proportional to 8,882.78, 13,326.38 and 2,642.76 is: 3,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.78 : 13,326.38 = 2,642.76 : x
  2. Step 2: Convert to fraction form
    8,882.78/13,326.38 = 2,642.76/x
  3. Step 3: Cross multiply
    8,882.78x = 13,326.38 × 2,642.76
  4. Step 4: Simplify right side
    8,882.78x = 35,218,424.01
  5. Step 5: Solve for x
    x = 35,218,424.01/8,882.78
  6. Step 6: Final answer
    x = 3,964.80

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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.