Home / 7,844.09-10,825.70-4,487.21

Finding the Fourth Proportional to 7,844.09, 10,825.70 and 4,487.21

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Solution

The fourth proportional to 7,844.09, 10,825.70 and 4,487.21 is: 6,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.09 : 10,825.70 = 4,487.21 : x
  2. Step 2: Convert to fraction form
    7,844.09/10,825.70 = 4,487.21/x
  3. Step 3: Cross multiply
    7,844.09x = 10,825.70 × 4,487.21
  4. Step 4: Simplify right side
    7,844.09x = 48,577,112.73
  5. Step 5: Solve for x
    x = 48,577,112.73/7,844.09
  6. Step 6: Final answer
    x = 6,192.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.