Home / 5,277.12-7,279.38-3,414.12

Finding the Fourth Proportional to 5,277.12, 7,279.38 and 3,414.12

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Solution

The fourth proportional to 5,277.12, 7,279.38 and 3,414.12 is: 4,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.12 : 7,279.38 = 3,414.12 : x
  2. Step 2: Convert to fraction form
    5,277.12/7,279.38 = 3,414.12/x
  3. Step 3: Cross multiply
    5,277.12x = 7,279.38 × 3,414.12
  4. Step 4: Simplify right side
    5,277.12x = 24,852,676.85
  5. Step 5: Solve for x
    x = 24,852,676.85/5,277.12
  6. Step 6: Final answer
    x = 4,709.52

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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.