Home / 8,160.13-12,241.77-2,613.03

Finding the Fourth Proportional to 8,160.13, 12,241.77 and 2,613.03

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Solution

The fourth proportional to 8,160.13, 12,241.77 and 2,613.03 is: 3,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.13 : 12,241.77 = 2,613.03 : x
  2. Step 2: Convert to fraction form
    8,160.13/12,241.77 = 2,613.03/x
  3. Step 3: Cross multiply
    8,160.13x = 12,241.77 × 2,613.03
  4. Step 4: Simplify right side
    8,160.13x = 31,988,112.26
  5. Step 5: Solve for x
    x = 31,988,112.26/8,160.13
  6. Step 6: Final answer
    x = 3,920.05

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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.