Home / 4,273.20-6,398.22-2,216.88

Finding the Fourth Proportional to 4,273.20, 6,398.22 and 2,216.88

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Solution

The fourth proportional to 4,273.20, 6,398.22 and 2,216.88 is: 3,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.20 : 6,398.22 = 2,216.88 : x
  2. Step 2: Convert to fraction form
    4,273.20/6,398.22 = 2,216.88/x
  3. Step 3: Cross multiply
    4,273.20x = 6,398.22 × 2,216.88
  4. Step 4: Simplify right side
    4,273.20x = 14,184,085.95
  5. Step 5: Solve for x
    x = 14,184,085.95/4,273.20
  6. Step 6: Final answer
    x = 3,319.31

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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.