Home / 4,259.20-6,377.28-2,202.88

Finding the Fourth Proportional to 4,259.20, 6,377.28 and 2,202.88

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Solution

The fourth proportional to 4,259.20, 6,377.28 and 2,202.88 is: 3,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.20 : 6,377.28 = 2,202.88 : x
  2. Step 2: Convert to fraction form
    4,259.20/6,377.28 = 2,202.88/x
  3. Step 3: Cross multiply
    4,259.20x = 6,377.28 × 2,202.88
  4. Step 4: Simplify right side
    4,259.20x = 14,048,382.57
  5. Step 5: Solve for x
    x = 14,048,382.57/4,259.20
  6. Step 6: Final answer
    x = 3,298.36

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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.