Home / 8,648.19-12,967.92-3,964.25

Finding the Fourth Proportional to 8,648.19, 12,967.92 and 3,964.25

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Solution

The fourth proportional to 8,648.19, 12,967.92 and 3,964.25 is: 5,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.19 : 12,967.92 = 3,964.25 : x
  2. Step 2: Convert to fraction form
    8,648.19/12,967.92 = 3,964.25/x
  3. Step 3: Cross multiply
    8,648.19x = 12,967.92 × 3,964.25
  4. Step 4: Simplify right side
    8,648.19x = 51,408,076.86
  5. Step 5: Solve for x
    x = 51,408,076.86/8,648.19
  6. Step 6: Final answer
    x = 5,944.37

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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.