Home / 8,855.46-13,281.06-2,613.78

Finding the Fourth Proportional to 8,855.46, 13,281.06 and 2,613.78

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Solution

The fourth proportional to 8,855.46, 13,281.06 and 2,613.78 is: 3,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.46 : 13,281.06 = 2,613.78 : x
  2. Step 2: Convert to fraction form
    8,855.46/13,281.06 = 2,613.78/x
  3. Step 3: Cross multiply
    8,855.46x = 13,281.06 × 2,613.78
  4. Step 4: Simplify right side
    8,855.46x = 34,713,769.01
  5. Step 5: Solve for x
    x = 34,713,769.01/8,855.46
  6. Step 6: Final answer
    x = 3,920.04

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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.