Home / 4,521.11-6,769.86-3,638.79

Finding the Fourth Proportional to 4,521.11, 6,769.86 and 3,638.79

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Solution

The fourth proportional to 4,521.11, 6,769.86 and 3,638.79 is: 5,448.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.11 : 6,769.86 = 3,638.79 : x
  2. Step 2: Convert to fraction form
    4,521.11/6,769.86 = 3,638.79/x
  3. Step 3: Cross multiply
    4,521.11x = 6,769.86 × 3,638.79
  4. Step 4: Simplify right side
    4,521.11x = 24,634,098.87
  5. Step 5: Solve for x
    x = 24,634,098.87/4,521.11
  6. Step 6: Final answer
    x = 5,448.69

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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.