Home / 8,339.82-12,505.51-2,791.18

Finding the Fourth Proportional to 8,339.82, 12,505.51 and 2,791.18

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Solution

The fourth proportional to 8,339.82, 12,505.51 and 2,791.18 is: 4,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.82 : 12,505.51 = 2,791.18 : x
  2. Step 2: Convert to fraction form
    8,339.82/12,505.51 = 2,791.18/x
  3. Step 3: Cross multiply
    8,339.82x = 12,505.51 × 2,791.18
  4. Step 4: Simplify right side
    8,339.82x = 34,905,129.40
  5. Step 5: Solve for x
    x = 34,905,129.40/8,339.82
  6. Step 6: Final answer
    x = 4,185.36

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1.5x scale

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.