Home / 4,251.46-6,377.75-1,478.34

Finding the Fourth Proportional to 4,251.46, 6,377.75 and 1,478.34

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Solution

The fourth proportional to 4,251.46, 6,377.75 and 1,478.34 is: 2,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.46 : 6,377.75 = 1,478.34 : x
  2. Step 2: Convert to fraction form
    4,251.46/6,377.75 = 1,478.34/x
  3. Step 3: Cross multiply
    4,251.46x = 6,377.75 × 1,478.34
  4. Step 4: Simplify right side
    4,251.46x = 9,428,475.54
  5. Step 5: Solve for x
    x = 9,428,475.54/4,251.46
  6. Step 6: Final answer
    x = 2,217.70

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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.