Home / 8,778.11-13,164.26-4,392.56

Finding the Fourth Proportional to 8,778.11, 13,164.26 and 4,392.56

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Solution

The fourth proportional to 8,778.11, 13,164.26 and 4,392.56 is: 6,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.11 : 13,164.26 = 4,392.56 : x
  2. Step 2: Convert to fraction form
    8,778.11/13,164.26 = 4,392.56/x
  3. Step 3: Cross multiply
    8,778.11x = 13,164.26 × 4,392.56
  4. Step 4: Simplify right side
    8,778.11x = 57,824,812.85
  5. Step 5: Solve for x
    x = 57,824,812.85/8,778.11
  6. Step 6: Final answer
    x = 6,587.39

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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.