Home / 8,320.82-11,490.81-5,799.38

Finding the Fourth Proportional to 8,320.82, 11,490.81 and 5,799.38

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Solution

The fourth proportional to 8,320.82, 11,490.81 and 5,799.38 is: 8,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.82 : 11,490.81 = 5,799.38 : x
  2. Step 2: Convert to fraction form
    8,320.82/11,490.81 = 5,799.38/x
  3. Step 3: Cross multiply
    8,320.82x = 11,490.81 × 5,799.38
  4. Step 4: Simplify right side
    8,320.82x = 66,639,516.24
  5. Step 5: Solve for x
    x = 66,639,516.24/8,320.82
  6. Step 6: Final answer
    x = 8,008.77

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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.