Home / 7,953.38-11,929.16-2,110.45

Finding the Fourth Proportional to 7,953.38, 11,929.16 and 2,110.45

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Solution

The fourth proportional to 7,953.38, 11,929.16 and 2,110.45 is: 3,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.38 : 11,929.16 = 2,110.45 : x
  2. Step 2: Convert to fraction form
    7,953.38/11,929.16 = 2,110.45/x
  3. Step 3: Cross multiply
    7,953.38x = 11,929.16 × 2,110.45
  4. Step 4: Simplify right side
    7,953.38x = 25,175,825.52
  5. Step 5: Solve for x
    x = 25,175,825.52/7,953.38
  6. Step 6: Final answer
    x = 3,165.42

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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.