Home / 10,279.60-15,417.30-2,882.20

Finding the Fourth Proportional to 10,279.60, 15,417.30 and 2,882.20

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Solution

The fourth proportional to 10,279.60, 15,417.30 and 2,882.20 is: 4,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.60 : 15,417.30 = 2,882.20 : x
  2. Step 2: Convert to fraction form
    10,279.60/15,417.30 = 2,882.20/x
  3. Step 3: Cross multiply
    10,279.60x = 15,417.30 × 2,882.20
  4. Step 4: Simplify right side
    10,279.60x = 44,435,742.06
  5. Step 5: Solve for x
    x = 44,435,742.06/10,279.60
  6. Step 6: Final answer
    x = 4,322.71

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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.