Home / 8,864.66-13,293.59-2,939.75

Finding the Fourth Proportional to 8,864.66, 13,293.59 and 2,939.75

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Solution

The fourth proportional to 8,864.66, 13,293.59 and 2,939.75 is: 4,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.66 : 13,293.59 = 2,939.75 : x
  2. Step 2: Convert to fraction form
    8,864.66/13,293.59 = 2,939.75/x
  3. Step 3: Cross multiply
    8,864.66x = 13,293.59 × 2,939.75
  4. Step 4: Simplify right side
    8,864.66x = 39,079,799.89
  5. Step 5: Solve for x
    x = 39,079,799.89/8,864.66
  6. Step 6: Final answer
    x = 4,408.49

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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.