Home / 7,694.39-11,539.93-2,429.81

Finding the Fourth Proportional to 7,694.39, 11,539.93 and 2,429.81

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Solution

The fourth proportional to 7,694.39, 11,539.93 and 2,429.81 is: 3,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.39 : 11,539.93 = 2,429.81 : x
  2. Step 2: Convert to fraction form
    7,694.39/11,539.93 = 2,429.81/x
  3. Step 3: Cross multiply
    7,694.39x = 11,539.93 × 2,429.81
  4. Step 4: Simplify right side
    7,694.39x = 28,039,825.16
  5. Step 5: Solve for x
    x = 28,039,825.16/7,694.39
  6. Step 6: Final answer
    x = 3,644.19

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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.