Home / 5,395.39-8,076.16-3,719.68

Finding the Fourth Proportional to 5,395.39, 8,076.16 and 3,719.68

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Solution

The fourth proportional to 5,395.39, 8,076.16 and 3,719.68 is: 5,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.39 : 8,076.16 = 3,719.68 : x
  2. Step 2: Convert to fraction form
    5,395.39/8,076.16 = 3,719.68/x
  3. Step 3: Cross multiply
    5,395.39x = 8,076.16 × 3,719.68
  4. Step 4: Simplify right side
    5,395.39x = 30,040,730.83
  5. Step 5: Solve for x
    x = 30,040,730.83/5,395.39
  6. Step 6: Final answer
    x = 5,567.85

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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.