Home / 6,342-9,511.15-2,445.49

Finding the Fourth Proportional to 6,342, 9,511.15 and 2,445.49

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Solution

The fourth proportional to 6,342, 9,511.15 and 2,445.49 is: 3,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342 : 9,511.15 = 2,445.49 : x
  2. Step 2: Convert to fraction form
    6,342/9,511.15 = 2,445.49/x
  3. Step 3: Cross multiply
    6,342x = 9,511.15 × 2,445.49
  4. Step 4: Simplify right side
    6,342x = 23,259,422.21
  5. Step 5: Solve for x
    x = 23,259,422.21/6,342
  6. Step 6: Final answer
    x = 3,667.52

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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.