Home / 4,247.20-6,367.56-1,648.72

Finding the Fourth Proportional to 4,247.20, 6,367.56 and 1,648.72

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Solution

The fourth proportional to 4,247.20, 6,367.56 and 1,648.72 is: 2,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.20 : 6,367.56 = 1,648.72 : x
  2. Step 2: Convert to fraction form
    4,247.20/6,367.56 = 1,648.72/x
  3. Step 3: Cross multiply
    4,247.20x = 6,367.56 × 1,648.72
  4. Step 4: Simplify right side
    4,247.20x = 10,498,323.52
  5. Step 5: Solve for x
    x = 10,498,323.52/4,247.20
  6. Step 6: Final answer
    x = 2,471.82

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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.