Home / 8,675.20-13,012.84-2,101.38

Finding the Fourth Proportional to 8,675.20, 13,012.84 and 2,101.38

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Solution

The fourth proportional to 8,675.20, 13,012.84 and 2,101.38 is: 3,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.20 : 13,012.84 = 2,101.38 : x
  2. Step 2: Convert to fraction form
    8,675.20/13,012.84 = 2,101.38/x
  3. Step 3: Cross multiply
    8,675.20x = 13,012.84 × 2,101.38
  4. Step 4: Simplify right side
    8,675.20x = 27,344,921.72
  5. Step 5: Solve for x
    x = 27,344,921.72/8,675.20
  6. Step 6: Final answer
    x = 3,152.08

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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.