Home / 8,318.71-11,476.14-5,628.97

Finding the Fourth Proportional to 8,318.71, 11,476.14 and 5,628.97

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Solution

The fourth proportional to 8,318.71, 11,476.14 and 5,628.97 is: 7,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.71 : 11,476.14 = 5,628.97 : x
  2. Step 2: Convert to fraction form
    8,318.71/11,476.14 = 5,628.97/x
  3. Step 3: Cross multiply
    8,318.71x = 11,476.14 × 5,628.97
  4. Step 4: Simplify right side
    8,318.71x = 64,598,847.78
  5. Step 5: Solve for x
    x = 64,598,847.78/8,318.71
  6. Step 6: Final answer
    x = 7,765.49

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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.