Home / 6,418.33-9,625.56-2,720.50

Finding the Fourth Proportional to 6,418.33, 9,625.56 and 2,720.50

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Solution

The fourth proportional to 6,418.33, 9,625.56 and 2,720.50 is: 4,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.33 : 9,625.56 = 2,720.50 : x
  2. Step 2: Convert to fraction form
    6,418.33/9,625.56 = 2,720.50/x
  3. Step 3: Cross multiply
    6,418.33x = 9,625.56 × 2,720.50
  4. Step 4: Simplify right side
    6,418.33x = 26,186,335.98
  5. Step 5: Solve for x
    x = 26,186,335.98/6,418.33
  6. Step 6: Final answer
    x = 4,079.93

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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.