Home / 4,658.45-6,428.82-2,669.38

Finding the Fourth Proportional to 4,658.45, 6,428.82 and 2,669.38

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Solution

The fourth proportional to 4,658.45, 6,428.82 and 2,669.38 is: 3,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.45 : 6,428.82 = 2,669.38 : x
  2. Step 2: Convert to fraction form
    4,658.45/6,428.82 = 2,669.38/x
  3. Step 3: Cross multiply
    4,658.45x = 6,428.82 × 2,669.38
  4. Step 4: Simplify right side
    4,658.45x = 17,160,961.56
  5. Step 5: Solve for x
    x = 17,160,961.56/4,658.45
  6. Step 6: Final answer
    x = 3,683.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.