Home / 8,818.84-13,229.49-2,579.31

Finding the Fourth Proportional to 8,818.84, 13,229.49 and 2,579.31

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Solution

The fourth proportional to 8,818.84, 13,229.49 and 2,579.31 is: 3,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.84 : 13,229.49 = 2,579.31 : x
  2. Step 2: Convert to fraction form
    8,818.84/13,229.49 = 2,579.31/x
  3. Step 3: Cross multiply
    8,818.84x = 13,229.49 × 2,579.31
  4. Step 4: Simplify right side
    8,818.84x = 34,122,955.85
  5. Step 5: Solve for x
    x = 34,122,955.85/8,818.84
  6. Step 6: Final answer
    x = 3,869.32

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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.