Home / 8,738.39-13,109.64-2,895

Finding the Fourth Proportional to 8,738.39, 13,109.64 and 2,895

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Solution

The fourth proportional to 8,738.39, 13,109.64 and 2,895 is: 4,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.39 : 13,109.64 = 2,895 : x
  2. Step 2: Convert to fraction form
    8,738.39/13,109.64 = 2,895/x
  3. Step 3: Cross multiply
    8,738.39x = 13,109.64 × 2,895
  4. Step 4: Simplify right side
    8,738.39x = 37,952,407.80
  5. Step 5: Solve for x
    x = 37,952,407.80/8,738.39
  6. Step 6: Final answer
    x = 4,343.18

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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.