Home / 4,926.14-7,387.02-1,638.38

Finding the Fourth Proportional to 4,926.14, 7,387.02 and 1,638.38

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Solution

The fourth proportional to 4,926.14, 7,387.02 and 1,638.38 is: 2,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.14 : 7,387.02 = 1,638.38 : x
  2. Step 2: Convert to fraction form
    4,926.14/7,387.02 = 1,638.38/x
  3. Step 3: Cross multiply
    4,926.14x = 7,387.02 × 1,638.38
  4. Step 4: Simplify right side
    4,926.14x = 12,102,745.83
  5. Step 5: Solve for x
    x = 12,102,745.83/4,926.14
  6. Step 6: Final answer
    x = 2,456.84

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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.