Home / 7,664.38-11,496.54-2,117.71

Finding the Fourth Proportional to 7,664.38, 11,496.54 and 2,117.71

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Solution

The fourth proportional to 7,664.38, 11,496.54 and 2,117.71 is: 3,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.38 : 11,496.54 = 2,117.71 : x
  2. Step 2: Convert to fraction form
    7,664.38/11,496.54 = 2,117.71/x
  3. Step 3: Cross multiply
    7,664.38x = 11,496.54 × 2,117.71
  4. Step 4: Simplify right side
    7,664.38x = 24,346,337.72
  5. Step 5: Solve for x
    x = 24,346,337.72/7,664.38
  6. Step 6: Final answer
    x = 3,176.56

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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.