Home / 5,126.10-7,674.21-3,898.50

Finding the Fourth Proportional to 5,126.10, 7,674.21 and 3,898.50

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Solution

The fourth proportional to 5,126.10, 7,674.21 and 3,898.50 is: 5,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.10 : 7,674.21 = 3,898.50 : x
  2. Step 2: Convert to fraction form
    5,126.10/7,674.21 = 3,898.50/x
  3. Step 3: Cross multiply
    5,126.10x = 7,674.21 × 3,898.50
  4. Step 4: Simplify right side
    5,126.10x = 29,917,907.69
  5. Step 5: Solve for x
    x = 29,917,907.69/5,126.10
  6. Step 6: Final answer
    x = 5,836.39

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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.