Home / 8,869.35-13,305.39-2,628.71

Finding the Fourth Proportional to 8,869.35, 13,305.39 and 2,628.71

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Solution

The fourth proportional to 8,869.35, 13,305.39 and 2,628.71 is: 3,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.35 : 13,305.39 = 2,628.71 : x
  2. Step 2: Convert to fraction form
    8,869.35/13,305.39 = 2,628.71/x
  3. Step 3: Cross multiply
    8,869.35x = 13,305.39 × 2,628.71
  4. Step 4: Simplify right side
    8,869.35x = 34,976,011.75
  5. Step 5: Solve for x
    x = 34,976,011.75/8,869.35
  6. Step 6: Final answer
    x = 3,943.47

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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.