Home / 6,609.44-9,911.28-2,225.72

Finding the Fourth Proportional to 6,609.44, 9,911.28 and 2,225.72

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Solution

The fourth proportional to 6,609.44, 9,911.28 and 2,225.72 is: 3,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.44 : 9,911.28 = 2,225.72 : x
  2. Step 2: Convert to fraction form
    6,609.44/9,911.28 = 2,225.72/x
  3. Step 3: Cross multiply
    6,609.44x = 9,911.28 × 2,225.72
  4. Step 4: Simplify right side
    6,609.44x = 22,059,734.12
  5. Step 5: Solve for x
    x = 22,059,734.12/6,609.44
  6. Step 6: Final answer
    x = 3,337.61

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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.