Home / 8,921.33-13,380.93-2,348.03

Finding the Fourth Proportional to 8,921.33, 13,380.93 and 2,348.03

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Solution

The fourth proportional to 8,921.33, 13,380.93 and 2,348.03 is: 3,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.33 : 13,380.93 = 2,348.03 : x
  2. Step 2: Convert to fraction form
    8,921.33/13,380.93 = 2,348.03/x
  3. Step 3: Cross multiply
    8,921.33x = 13,380.93 × 2,348.03
  4. Step 4: Simplify right side
    8,921.33x = 31,418,758.16
  5. Step 5: Solve for x
    x = 31,418,758.16/8,921.33
  6. Step 6: Final answer
    x = 3,521.76

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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.