Home / 8,939.76-13,408.08-2,365.92

Finding the Fourth Proportional to 8,939.76, 13,408.08 and 2,365.92

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Solution

The fourth proportional to 8,939.76, 13,408.08 and 2,365.92 is: 3,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.76 : 13,408.08 = 2,365.92 : x
  2. Step 2: Convert to fraction form
    8,939.76/13,408.08 = 2,365.92/x
  3. Step 3: Cross multiply
    8,939.76x = 13,408.08 × 2,365.92
  4. Step 4: Simplify right side
    8,939.76x = 31,722,444.63
  5. Step 5: Solve for x
    x = 31,722,444.63/8,939.76
  6. Step 6: Final answer
    x = 3,548.47

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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.