Home / 5,410.15-8,115.53-1,514.86

Finding the Fourth Proportional to 5,410.15, 8,115.53 and 1,514.86

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Solution

The fourth proportional to 5,410.15, 8,115.53 and 1,514.86 is: 2,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.15 : 8,115.53 = 1,514.86 : x
  2. Step 2: Convert to fraction form
    5,410.15/8,115.53 = 1,514.86/x
  3. Step 3: Cross multiply
    5,410.15x = 8,115.53 × 1,514.86
  4. Step 4: Simplify right side
    5,410.15x = 12,293,891.78
  5. Step 5: Solve for x
    x = 12,293,891.78/5,410.15
  6. Step 6: Final answer
    x = 2,272.38

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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.