Home / 5,470.16-8,198.40-2,346.49

Finding the Fourth Proportional to 5,470.16, 8,198.40 and 2,346.49

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Solution

The fourth proportional to 5,470.16, 8,198.40 and 2,346.49 is: 3,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.16 : 8,198.40 = 2,346.49 : x
  2. Step 2: Convert to fraction form
    5,470.16/8,198.40 = 2,346.49/x
  3. Step 3: Cross multiply
    5,470.16x = 8,198.40 × 2,346.49
  4. Step 4: Simplify right side
    5,470.16x = 19,237,422.62
  5. Step 5: Solve for x
    x = 19,237,422.62/5,470.16
  6. Step 6: Final answer
    x = 3,516.79

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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.