Home / 7,639.56-11,463.42-3,260.10

Finding the Fourth Proportional to 7,639.56, 11,463.42 and 3,260.10

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Solution

The fourth proportional to 7,639.56, 11,463.42 and 3,260.10 is: 4,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.56 : 11,463.42 = 3,260.10 : x
  2. Step 2: Convert to fraction form
    7,639.56/11,463.42 = 3,260.10/x
  3. Step 3: Cross multiply
    7,639.56x = 11,463.42 × 3,260.10
  4. Step 4: Simplify right side
    7,639.56x = 37,371,895.54
  5. Step 5: Solve for x
    x = 37,371,895.54/7,639.56
  6. Step 6: Final answer
    x = 4,891.89

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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.