Home / 8,440.68-12,652.89-5,668.14

Finding the Fourth Proportional to 8,440.68, 12,652.89 and 5,668.14

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Solution

The fourth proportional to 8,440.68, 12,652.89 and 5,668.14 is: 8,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.68 : 12,652.89 = 5,668.14 : x
  2. Step 2: Convert to fraction form
    8,440.68/12,652.89 = 5,668.14/x
  3. Step 3: Cross multiply
    8,440.68x = 12,652.89 × 5,668.14
  4. Step 4: Simplify right side
    8,440.68x = 71,718,351.92
  5. Step 5: Solve for x
    x = 71,718,351.92/8,440.68
  6. Step 6: Final answer
    x = 8,496.75

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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.