Home / 5,470.38-8,208.25-3,389.83

Finding the Fourth Proportional to 5,470.38, 8,208.25 and 3,389.83

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Solution

The fourth proportional to 5,470.38, 8,208.25 and 3,389.83 is: 5,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.38 : 8,208.25 = 3,389.83 : x
  2. Step 2: Convert to fraction form
    5,470.38/8,208.25 = 3,389.83/x
  3. Step 3: Cross multiply
    5,470.38x = 8,208.25 × 3,389.83
  4. Step 4: Simplify right side
    5,470.38x = 27,824,543.10
  5. Step 5: Solve for x
    x = 27,824,543.10/5,470.38
  6. Step 6: Final answer
    x = 5,086.40

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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.