Home / 8,613.92-12,918.52-2,372.46

Finding the Fourth Proportional to 8,613.92, 12,918.52 and 2,372.46

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Solution

The fourth proportional to 8,613.92, 12,918.52 and 2,372.46 is: 3,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.92 : 12,918.52 = 2,372.46 : x
  2. Step 2: Convert to fraction form
    8,613.92/12,918.52 = 2,372.46/x
  3. Step 3: Cross multiply
    8,613.92x = 12,918.52 × 2,372.46
  4. Step 4: Simplify right side
    8,613.92x = 30,648,671.96
  5. Step 5: Solve for x
    x = 30,648,671.96/8,613.92
  6. Step 6: Final answer
    x = 3,558.04

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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.