Home / 8,388.29-11,571.01-5,239.01

Finding the Fourth Proportional to 8,388.29, 11,571.01 and 5,239.01

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Solution

The fourth proportional to 8,388.29, 11,571.01 and 5,239.01 is: 7,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.29 : 11,571.01 = 5,239.01 : x
  2. Step 2: Convert to fraction form
    8,388.29/11,571.01 = 5,239.01/x
  3. Step 3: Cross multiply
    8,388.29x = 11,571.01 × 5,239.01
  4. Step 4: Simplify right side
    8,388.29x = 60,620,637.10
  5. Step 5: Solve for x
    x = 60,620,637.10/8,388.29
  6. Step 6: Final answer
    x = 7,226.82

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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.