Home / 5,517.41-8,276.31-1,621.82

Finding the Fourth Proportional to 5,517.41, 8,276.31 and 1,621.82

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Solution

The fourth proportional to 5,517.41, 8,276.31 and 1,621.82 is: 2,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.41 : 8,276.31 = 1,621.82 : x
  2. Step 2: Convert to fraction form
    5,517.41/8,276.31 = 1,621.82/x
  3. Step 3: Cross multiply
    5,517.41x = 8,276.31 × 1,621.82
  4. Step 4: Simplify right side
    5,517.41x = 13,422,705.77
  5. Step 5: Solve for x
    x = 13,422,705.77/5,517.41
  6. Step 6: Final answer
    x = 2,432.79

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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.