Home / 7,941.50-11,909.39-2,675.38

Finding the Fourth Proportional to 7,941.50, 11,909.39 and 2,675.38

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Solution

The fourth proportional to 7,941.50, 11,909.39 and 2,675.38 is: 4,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.50 : 11,909.39 = 2,675.38 : x
  2. Step 2: Convert to fraction form
    7,941.50/11,909.39 = 2,675.38/x
  3. Step 3: Cross multiply
    7,941.50x = 11,909.39 × 2,675.38
  4. Step 4: Simplify right side
    7,941.50x = 31,862,143.82
  5. Step 5: Solve for x
    x = 31,862,143.82/7,941.50
  6. Step 6: Final answer
    x = 4,012.11

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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.