Home / 9,086.98-13,632.39-2,930.50

Finding the Fourth Proportional to 9,086.98, 13,632.39 and 2,930.50

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Solution

The fourth proportional to 9,086.98, 13,632.39 and 2,930.50 is: 4,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.98 : 13,632.39 = 2,930.50 : x
  2. Step 2: Convert to fraction form
    9,086.98/13,632.39 = 2,930.50/x
  3. Step 3: Cross multiply
    9,086.98x = 13,632.39 × 2,930.50
  4. Step 4: Simplify right side
    9,086.98x = 39,949,718.90
  5. Step 5: Solve for x
    x = 39,949,718.90/9,086.98
  6. Step 6: Final answer
    x = 4,396.37

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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.