Home / 8,245.30-12,367.65-3,313.60

Finding the Fourth Proportional to 8,245.30, 12,367.65 and 3,313.60

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Solution

The fourth proportional to 8,245.30, 12,367.65 and 3,313.60 is: 4,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.30 : 12,367.65 = 3,313.60 : x
  2. Step 2: Convert to fraction form
    8,245.30/12,367.65 = 3,313.60/x
  3. Step 3: Cross multiply
    8,245.30x = 12,367.65 × 3,313.60
  4. Step 4: Simplify right side
    8,245.30x = 40,981,445.04
  5. Step 5: Solve for x
    x = 40,981,445.04/8,245.30
  6. Step 6: Final answer
    x = 4,970.28

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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.