Home / 8,276.08-12,416.80-3,343.20

Finding the Fourth Proportional to 8,276.08, 12,416.80 and 3,343.20

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Solution

The fourth proportional to 8,276.08, 12,416.80 and 3,343.20 is: 5,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.08 : 12,416.80 = 3,343.20 : x
  2. Step 2: Convert to fraction form
    8,276.08/12,416.80 = 3,343.20/x
  3. Step 3: Cross multiply
    8,276.08x = 12,416.80 × 3,343.20
  4. Step 4: Simplify right side
    8,276.08x = 41,511,845.76
  5. Step 5: Solve for x
    x = 41,511,845.76/8,276.08
  6. Step 6: Final answer
    x = 5,015.88

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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.