Home / 5,429.88-8,148.03-2,310.53

Finding the Fourth Proportional to 5,429.88, 8,148.03 and 2,310.53

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Solution

The fourth proportional to 5,429.88, 8,148.03 and 2,310.53 is: 3,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.88 : 8,148.03 = 2,310.53 : x
  2. Step 2: Convert to fraction form
    5,429.88/8,148.03 = 2,310.53/x
  3. Step 3: Cross multiply
    5,429.88x = 8,148.03 × 2,310.53
  4. Step 4: Simplify right side
    5,429.88x = 18,826,218.35
  5. Step 5: Solve for x
    x = 18,826,218.35/5,429.88
  6. Step 6: Final answer
    x = 3,467.15

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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.