Home / 8,850.96-13,243.08-5,279.88

Finding the Fourth Proportional to 8,850.96, 13,243.08 and 5,279.88

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Solution

The fourth proportional to 8,850.96, 13,243.08 and 5,279.88 is: 7,899.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.96 : 13,243.08 = 5,279.88 : x
  2. Step 2: Convert to fraction form
    8,850.96/13,243.08 = 5,279.88/x
  3. Step 3: Cross multiply
    8,850.96x = 13,243.08 × 5,279.88
  4. Step 4: Simplify right side
    8,850.96x = 69,921,873.23
  5. Step 5: Solve for x
    x = 69,921,873.23/8,850.96
  6. Step 6: Final answer
    x = 7,899.92

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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.