Home / 7,278.20-10,044.97-4,091.76

Finding the Fourth Proportional to 7,278.20, 10,044.97 and 4,091.76

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Solution

The fourth proportional to 7,278.20, 10,044.97 and 4,091.76 is: 5,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.20 : 10,044.97 = 4,091.76 : x
  2. Step 2: Convert to fraction form
    7,278.20/10,044.97 = 4,091.76/x
  3. Step 3: Cross multiply
    7,278.20x = 10,044.97 × 4,091.76
  4. Step 4: Simplify right side
    7,278.20x = 41,101,572.15
  5. Step 5: Solve for x
    x = 41,101,572.15/7,278.20
  6. Step 6: Final answer
    x = 5,647.22

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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.