Home / 8,613.27-12,919.44-2,769.42

Finding the Fourth Proportional to 8,613.27, 12,919.44 and 2,769.42

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Solution

The fourth proportional to 8,613.27, 12,919.44 and 2,769.42 is: 4,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.27 : 12,919.44 = 2,769.42 : x
  2. Step 2: Convert to fraction form
    8,613.27/12,919.44 = 2,769.42/x
  3. Step 3: Cross multiply
    8,613.27x = 12,919.44 × 2,769.42
  4. Step 4: Simplify right side
    8,613.27x = 35,779,355.52
  5. Step 5: Solve for x
    x = 35,779,355.52/8,613.27
  6. Step 6: Final answer
    x = 4,153.98

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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.