Home / 8,939.16-13,408.20-3,095.28

Finding the Fourth Proportional to 8,939.16, 13,408.20 and 3,095.28

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Solution

The fourth proportional to 8,939.16, 13,408.20 and 3,095.28 is: 4,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.16 : 13,408.20 = 3,095.28 : x
  2. Step 2: Convert to fraction form
    8,939.16/13,408.20 = 3,095.28/x
  3. Step 3: Cross multiply
    8,939.16x = 13,408.20 × 3,095.28
  4. Step 4: Simplify right side
    8,939.16x = 41,502,133.30
  5. Step 5: Solve for x
    x = 41,502,133.30/8,939.16
  6. Step 6: Final answer
    x = 4,642.73

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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.