Home / 8,869.07-13,311.81-4,489.61

Finding the Fourth Proportional to 8,869.07, 13,311.81 and 4,489.61

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Solution

The fourth proportional to 8,869.07, 13,311.81 and 4,489.61 is: 6,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.07 : 13,311.81 = 4,489.61 : x
  2. Step 2: Convert to fraction form
    8,869.07/13,311.81 = 4,489.61/x
  3. Step 3: Cross multiply
    8,869.07x = 13,311.81 × 4,489.61
  4. Step 4: Simplify right side
    8,869.07x = 59,764,768.74
  5. Step 5: Solve for x
    x = 59,764,768.74/8,869.07
  6. Step 6: Final answer
    x = 6,738.56

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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.