Home / 4,250.70-6,380.28-3,479.76

Finding the Fourth Proportional to 4,250.70, 6,380.28 and 3,479.76

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Solution

The fourth proportional to 4,250.70, 6,380.28 and 3,479.76 is: 5,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,250.70 : 6,380.28 = 3,479.76 : x
  2. Step 2: Convert to fraction form
    4,250.70/6,380.28 = 3,479.76/x
  3. Step 3: Cross multiply
    4,250.70x = 6,380.28 × 3,479.76
  4. Step 4: Simplify right side
    4,250.70x = 22,201,843.13
  5. Step 5: Solve for x
    x = 22,201,843.13/4,250.70
  6. Step 6: Final answer
    x = 5,223.10

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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.