Home / 5,470.89-8,198.64-2,502.05

Finding the Fourth Proportional to 5,470.89, 8,198.64 and 2,502.05

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Solution

The fourth proportional to 5,470.89, 8,198.64 and 2,502.05 is: 3,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.89 : 8,198.64 = 2,502.05 : x
  2. Step 2: Convert to fraction form
    5,470.89/8,198.64 = 2,502.05/x
  3. Step 3: Cross multiply
    5,470.89x = 8,198.64 × 2,502.05
  4. Step 4: Simplify right side
    5,470.89x = 20,513,366.22
  5. Step 5: Solve for x
    x = 20,513,366.22/5,470.89
  6. Step 6: Final answer
    x = 3,749.55

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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.