Home / 5,351.61-8,019.48-3,012.72

Finding the Fourth Proportional to 5,351.61, 8,019.48 and 3,012.72

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Solution

The fourth proportional to 5,351.61, 8,019.48 and 3,012.72 is: 4,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.61 : 8,019.48 = 3,012.72 : x
  2. Step 2: Convert to fraction form
    5,351.61/8,019.48 = 3,012.72/x
  3. Step 3: Cross multiply
    5,351.61x = 8,019.48 × 3,012.72
  4. Step 4: Simplify right side
    5,351.61x = 24,160,447.79
  5. Step 5: Solve for x
    x = 24,160,447.79/5,351.61
  6. Step 6: Final answer
    x = 4,514.61

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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.