Home / 4,225.38-6,340.79-2,278.94

Finding the Fourth Proportional to 4,225.38, 6,340.79 and 2,278.94

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Solution

The fourth proportional to 4,225.38, 6,340.79 and 2,278.94 is: 3,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.38 : 6,340.79 = 2,278.94 : x
  2. Step 2: Convert to fraction form
    4,225.38/6,340.79 = 2,278.94/x
  3. Step 3: Cross multiply
    4,225.38x = 6,340.79 × 2,278.94
  4. Step 4: Simplify right side
    4,225.38x = 14,450,279.96
  5. Step 5: Solve for x
    x = 14,450,279.96/4,225.38
  6. Step 6: Final answer
    x = 3,419.88

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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.