Home / 5,451.40-8,166.30-3,253.60

Finding the Fourth Proportional to 5,451.40, 8,166.30 and 3,253.60

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Solution

The fourth proportional to 5,451.40, 8,166.30 and 3,253.60 is: 4,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.40 : 8,166.30 = 3,253.60 : x
  2. Step 2: Convert to fraction form
    5,451.40/8,166.30 = 3,253.60/x
  3. Step 3: Cross multiply
    5,451.40x = 8,166.30 × 3,253.60
  4. Step 4: Simplify right side
    5,451.40x = 26,569,873.68
  5. Step 5: Solve for x
    x = 26,569,873.68/5,451.40
  6. Step 6: Final answer
    x = 4,873.95

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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.