Home / 5,470.13-8,207.88-3,389.58

Finding the Fourth Proportional to 5,470.13, 8,207.88 and 3,389.58

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Solution

The fourth proportional to 5,470.13, 8,207.88 and 3,389.58 is: 5,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.13 : 8,207.88 = 3,389.58 : x
  2. Step 2: Convert to fraction form
    5,470.13/8,207.88 = 3,389.58/x
  3. Step 3: Cross multiply
    5,470.13x = 8,207.88 × 3,389.58
  4. Step 4: Simplify right side
    5,470.13x = 27,821,248.94
  5. Step 5: Solve for x
    x = 27,821,248.94/5,470.13
  6. Step 6: Final answer
    x = 5,086.03

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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.