Home / 8,868.22-13,302.24-2,628.28

Finding the Fourth Proportional to 8,868.22, 13,302.24 and 2,628.28

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Solution

The fourth proportional to 8,868.22, 13,302.24 and 2,628.28 is: 3,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.22 : 13,302.24 = 2,628.28 : x
  2. Step 2: Convert to fraction form
    8,868.22/13,302.24 = 2,628.28/x
  3. Step 3: Cross multiply
    8,868.22x = 13,302.24 × 2,628.28
  4. Step 4: Simplify right side
    8,868.22x = 34,962,011.35
  5. Step 5: Solve for x
    x = 34,962,011.35/8,868.22
  6. Step 6: Final answer
    x = 3,942.39

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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.