Home / 8,853.28-13,279.89-2,278.91

Finding the Fourth Proportional to 8,853.28, 13,279.89 and 2,278.91

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Solution

The fourth proportional to 8,853.28, 13,279.89 and 2,278.91 is: 3,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.28 : 13,279.89 = 2,278.91 : x
  2. Step 2: Convert to fraction form
    8,853.28/13,279.89 = 2,278.91/x
  3. Step 3: Cross multiply
    8,853.28x = 13,279.89 × 2,278.91
  4. Step 4: Simplify right side
    8,853.28x = 30,263,674.12
  5. Step 5: Solve for x
    x = 30,263,674.12/8,853.28
  6. Step 6: Final answer
    x = 3,418.36

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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.