Home / 5,169.04-7,131.17-2,930.44

Finding the Fourth Proportional to 5,169.04, 7,131.17 and 2,930.44

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Solution

The fourth proportional to 5,169.04, 7,131.17 and 2,930.44 is: 4,042.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.04 : 7,131.17 = 2,930.44 : x
  2. Step 2: Convert to fraction form
    5,169.04/7,131.17 = 2,930.44/x
  3. Step 3: Cross multiply
    5,169.04x = 7,131.17 × 2,930.44
  4. Step 4: Simplify right side
    5,169.04x = 20,897,465.81
  5. Step 5: Solve for x
    x = 20,897,465.81/5,169.04
  6. Step 6: Final answer
    x = 4,042.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.