Home / 8,243.05-11,369.20-5,725.17

Finding the Fourth Proportional to 8,243.05, 11,369.20 and 5,725.17

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Solution

The fourth proportional to 8,243.05, 11,369.20 and 5,725.17 is: 7,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.05 : 11,369.20 = 5,725.17 : x
  2. Step 2: Convert to fraction form
    8,243.05/11,369.20 = 5,725.17/x
  3. Step 3: Cross multiply
    8,243.05x = 11,369.20 × 5,725.17
  4. Step 4: Simplify right side
    8,243.05x = 65,090,602.76
  5. Step 5: Solve for x
    x = 65,090,602.76/8,243.05
  6. Step 6: Final answer
    x = 7,896.42

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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.