Home / 8,908.09-13,363.35-3,712.75

Finding the Fourth Proportional to 8,908.09, 13,363.35 and 3,712.75

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Solution

The fourth proportional to 8,908.09, 13,363.35 and 3,712.75 is: 5,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.09 : 13,363.35 = 3,712.75 : x
  2. Step 2: Convert to fraction form
    8,908.09/13,363.35 = 3,712.75/x
  3. Step 3: Cross multiply
    8,908.09x = 13,363.35 × 3,712.75
  4. Step 4: Simplify right side
    8,908.09x = 49,614,777.71
  5. Step 5: Solve for x
    x = 49,614,777.71/8,908.09
  6. Step 6: Final answer
    x = 5,569.63

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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.