Home / 8,162.40-12,235.44-5,566.56

Finding the Fourth Proportional to 8,162.40, 12,235.44 and 5,566.56

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Solution

The fourth proportional to 8,162.40, 12,235.44 and 5,566.56 is: 8,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.40 : 12,235.44 = 5,566.56 : x
  2. Step 2: Convert to fraction form
    8,162.40/12,235.44 = 5,566.56/x
  3. Step 3: Cross multiply
    8,162.40x = 12,235.44 × 5,566.56
  4. Step 4: Simplify right side
    8,162.40x = 68,109,310.89
  5. Step 5: Solve for x
    x = 68,109,310.89/8,162.40
  6. Step 6: Final answer
    x = 8,344.28

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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.