Home / 8,709.39-12,020.04-5,524.20

Finding the Fourth Proportional to 8,709.39, 12,020.04 and 5,524.20

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Solution

The fourth proportional to 8,709.39, 12,020.04 and 5,524.20 is: 7,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.39 : 12,020.04 = 5,524.20 : x
  2. Step 2: Convert to fraction form
    8,709.39/12,020.04 = 5,524.20/x
  3. Step 3: Cross multiply
    8,709.39x = 12,020.04 × 5,524.20
  4. Step 4: Simplify right side
    8,709.39x = 66,401,104.97
  5. Step 5: Solve for x
    x = 66,401,104.97/8,709.39
  6. Step 6: Final answer
    x = 7,624.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.