Home / 8,648.28-11,923.68-5,659.38

Finding the Fourth Proportional to 8,648.28, 11,923.68 and 5,659.38

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Solution

The fourth proportional to 8,648.28, 11,923.68 and 5,659.38 is: 7,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.28 : 11,923.68 = 5,659.38 : x
  2. Step 2: Convert to fraction form
    8,648.28/11,923.68 = 5,659.38/x
  3. Step 3: Cross multiply
    8,648.28x = 11,923.68 × 5,659.38
  4. Step 4: Simplify right side
    8,648.28x = 67,480,636.12
  5. Step 5: Solve for x
    x = 67,480,636.12/8,648.28
  6. Step 6: Final answer
    x = 7,802.78

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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.