Home / 8,868.30-13,304.39-2,628.80

Finding the Fourth Proportional to 8,868.30, 13,304.39 and 2,628.80

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Solution

The fourth proportional to 8,868.30, 13,304.39 and 2,628.80 is: 3,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.30 : 13,304.39 = 2,628.80 : x
  2. Step 2: Convert to fraction form
    8,868.30/13,304.39 = 2,628.80/x
  3. Step 3: Cross multiply
    8,868.30x = 13,304.39 × 2,628.80
  4. Step 4: Simplify right side
    8,868.30x = 34,974,500.77
  5. Step 5: Solve for x
    x = 34,974,500.77/8,868.30
  6. Step 6: Final answer
    x = 3,943.77

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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.