Home / 8,855.06-13,279.47-2,613.41

Finding the Fourth Proportional to 8,855.06, 13,279.47 and 2,613.41

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Solution

The fourth proportional to 8,855.06, 13,279.47 and 2,613.41 is: 3,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.06 : 13,279.47 = 2,613.41 : x
  2. Step 2: Convert to fraction form
    8,855.06/13,279.47 = 2,613.41/x
  3. Step 3: Cross multiply
    8,855.06x = 13,279.47 × 2,613.41
  4. Step 4: Simplify right side
    8,855.06x = 34,704,633.30
  5. Step 5: Solve for x
    x = 34,704,633.30/8,855.06
  6. Step 6: Final answer
    x = 3,919.19

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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.