Home / 5,395.88-8,083.45-3,309.81

Finding the Fourth Proportional to 5,395.88, 8,083.45 and 3,309.81

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Solution

The fourth proportional to 5,395.88, 8,083.45 and 3,309.81 is: 4,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.88 : 8,083.45 = 3,309.81 : x
  2. Step 2: Convert to fraction form
    5,395.88/8,083.45 = 3,309.81/x
  3. Step 3: Cross multiply
    5,395.88x = 8,083.45 × 3,309.81
  4. Step 4: Simplify right side
    5,395.88x = 26,754,657.47
  5. Step 5: Solve for x
    x = 26,754,657.47/5,395.88
  6. Step 6: Final answer
    x = 4,958.35

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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.