Home / 7,476.86-11,212.82-2,478.08

Finding the Fourth Proportional to 7,476.86, 11,212.82 and 2,478.08

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Solution

The fourth proportional to 7,476.86, 11,212.82 and 2,478.08 is: 3,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.86 : 11,212.82 = 2,478.08 : x
  2. Step 2: Convert to fraction form
    7,476.86/11,212.82 = 2,478.08/x
  3. Step 3: Cross multiply
    7,476.86x = 11,212.82 × 2,478.08
  4. Step 4: Simplify right side
    7,476.86x = 27,786,196.53
  5. Step 5: Solve for x
    x = 27,786,196.53/7,476.86
  6. Step 6: Final answer
    x = 3,716.29

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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.