Home / 5,470.20-8,205.10-2,182.41

Finding the Fourth Proportional to 5,470.20, 8,205.10 and 2,182.41

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Solution

The fourth proportional to 5,470.20, 8,205.10 and 2,182.41 is: 3,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.20 : 8,205.10 = 2,182.41 : x
  2. Step 2: Convert to fraction form
    5,470.20/8,205.10 = 2,182.41/x
  3. Step 3: Cross multiply
    5,470.20x = 8,205.10 × 2,182.41
  4. Step 4: Simplify right side
    5,470.20x = 17,906,886.83
  5. Step 5: Solve for x
    x = 17,906,886.83/5,470.20
  6. Step 6: Final answer
    x = 3,273.53

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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.