Home / 5,345.87-8,021.66-2,748.78

Finding the Fourth Proportional to 5,345.87, 8,021.66 and 2,748.78

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Solution

The fourth proportional to 5,345.87, 8,021.66 and 2,748.78 is: 4,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.87 : 8,021.66 = 2,748.78 : x
  2. Step 2: Convert to fraction form
    5,345.87/8,021.66 = 2,748.78/x
  3. Step 3: Cross multiply
    5,345.87x = 8,021.66 × 2,748.78
  4. Step 4: Simplify right side
    5,345.87x = 22,049,764.83
  5. Step 5: Solve for x
    x = 22,049,764.83/5,345.87
  6. Step 6: Final answer
    x = 4,124.64

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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.