Home / 7,838.09-11,767.56-4,553.54

Finding the Fourth Proportional to 7,838.09, 11,767.56 and 4,553.54

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Solution

The fourth proportional to 7,838.09, 11,767.56 and 4,553.54 is: 6,836.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.09 : 11,767.56 = 4,553.54 : x
  2. Step 2: Convert to fraction form
    7,838.09/11,767.56 = 4,553.54/x
  3. Step 3: Cross multiply
    7,838.09x = 11,767.56 × 4,553.54
  4. Step 4: Simplify right side
    7,838.09x = 53,583,996.32
  5. Step 5: Solve for x
    x = 53,583,996.32/7,838.09
  6. Step 6: Final answer
    x = 6,836.36

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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.