Home / 5,324.11-7,987.40-1,626.33

Finding the Fourth Proportional to 5,324.11, 7,987.40 and 1,626.33

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Solution

The fourth proportional to 5,324.11, 7,987.40 and 1,626.33 is: 2,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.11 : 7,987.40 = 1,626.33 : x
  2. Step 2: Convert to fraction form
    5,324.11/7,987.40 = 1,626.33/x
  3. Step 3: Cross multiply
    5,324.11x = 7,987.40 × 1,626.33
  4. Step 4: Simplify right side
    5,324.11x = 12,990,148.24
  5. Step 5: Solve for x
    x = 12,990,148.24/5,324.11
  6. Step 6: Final answer
    x = 2,439.87

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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.