Home / 5,286.93-7,924.66-3,439.36

Finding the Fourth Proportional to 5,286.93, 7,924.66 and 3,439.36

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Solution

The fourth proportional to 5,286.93, 7,924.66 and 3,439.36 is: 5,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.93 : 7,924.66 = 3,439.36 : x
  2. Step 2: Convert to fraction form
    5,286.93/7,924.66 = 3,439.36/x
  3. Step 3: Cross multiply
    5,286.93x = 7,924.66 × 3,439.36
  4. Step 4: Simplify right side
    5,286.93x = 27,255,758.62
  5. Step 5: Solve for x
    x = 27,255,758.62/5,286.93
  6. Step 6: Final answer
    x = 5,155.31

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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.