Home / 8,226.10-12,343.20-4,718.80

Finding the Fourth Proportional to 8,226.10, 12,343.20 and 4,718.80

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Solution

The fourth proportional to 8,226.10, 12,343.20 and 4,718.80 is: 7,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.10 : 12,343.20 = 4,718.80 : x
  2. Step 2: Convert to fraction form
    8,226.10/12,343.20 = 4,718.80/x
  3. Step 3: Cross multiply
    8,226.10x = 12,343.20 × 4,718.80
  4. Step 4: Simplify right side
    8,226.10x = 58,245,092.16
  5. Step 5: Solve for x
    x = 58,245,092.16/8,226.10
  6. Step 6: Final answer
    x = 7,080.52

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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.