Home / 8,613.50-12,917.43-3,348.14

Finding the Fourth Proportional to 8,613.50, 12,917.43 and 3,348.14

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Solution

The fourth proportional to 8,613.50, 12,917.43 and 3,348.14 is: 5,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.50 : 12,917.43 = 3,348.14 : x
  2. Step 2: Convert to fraction form
    8,613.50/12,917.43 = 3,348.14/x
  3. Step 3: Cross multiply
    8,613.50x = 12,917.43 × 3,348.14
  4. Step 4: Simplify right side
    8,613.50x = 43,249,396.37
  5. Step 5: Solve for x
    x = 43,249,396.37/8,613.50
  6. Step 6: Final answer
    x = 5,021.12

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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.