Home / 7,964.39-11,948.37-2,699.09

Finding the Fourth Proportional to 7,964.39, 11,948.37 and 2,699.09

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Solution

The fourth proportional to 7,964.39, 11,948.37 and 2,699.09 is: 4,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.39 : 11,948.37 = 2,699.09 : x
  2. Step 2: Convert to fraction form
    7,964.39/11,948.37 = 2,699.09/x
  3. Step 3: Cross multiply
    7,964.39x = 11,948.37 × 2,699.09
  4. Step 4: Simplify right side
    7,964.39x = 32,249,725.98
  5. Step 5: Solve for x
    x = 32,249,725.98/7,964.39
  6. Step 6: Final answer
    x = 4,049.24

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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.