Home / 8,161.48-12,243.03-2,613.43

Finding the Fourth Proportional to 8,161.48, 12,243.03 and 2,613.43

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Solution

The fourth proportional to 8,161.48, 12,243.03 and 2,613.43 is: 3,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.48 : 12,243.03 = 2,613.43 : x
  2. Step 2: Convert to fraction form
    8,161.48/12,243.03 = 2,613.43/x
  3. Step 3: Cross multiply
    8,161.48x = 12,243.03 × 2,613.43
  4. Step 4: Simplify right side
    8,161.48x = 31,996,301.89
  5. Step 5: Solve for x
    x = 31,996,301.89/8,161.48
  6. Step 6: Final answer
    x = 3,920.40

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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.