Home / 8,855.82-13,279.11-2,615.04

Finding the Fourth Proportional to 8,855.82, 13,279.11 and 2,615.04

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Solution

The fourth proportional to 8,855.82, 13,279.11 and 2,615.04 is: 3,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.82 : 13,279.11 = 2,615.04 : x
  2. Step 2: Convert to fraction form
    8,855.82/13,279.11 = 2,615.04/x
  3. Step 3: Cross multiply
    8,855.82x = 13,279.11 × 2,615.04
  4. Step 4: Simplify right side
    8,855.82x = 34,725,403.81
  5. Step 5: Solve for x
    x = 34,725,403.81/8,855.82
  6. Step 6: Final answer
    x = 3,921.20

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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.