Home / 7,127.84-10,691.26-2,196.97

Finding the Fourth Proportional to 7,127.84, 10,691.26 and 2,196.97

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Solution

The fourth proportional to 7,127.84, 10,691.26 and 2,196.97 is: 3,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.84 : 10,691.26 = 2,196.97 : x
  2. Step 2: Convert to fraction form
    7,127.84/10,691.26 = 2,196.97/x
  3. Step 3: Cross multiply
    7,127.84x = 10,691.26 × 2,196.97
  4. Step 4: Simplify right side
    7,127.84x = 23,488,345.26
  5. Step 5: Solve for x
    x = 23,488,345.26/7,127.84
  6. Step 6: Final answer
    x = 3,295.30

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1.5x scale

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.