Home / 5,225.93-7,839.14-2,105.51

Finding the Fourth Proportional to 5,225.93, 7,839.14 and 2,105.51

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Solution

The fourth proportional to 5,225.93, 7,839.14 and 2,105.51 is: 3,158.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.93 : 7,839.14 = 2,105.51 : x
  2. Step 2: Convert to fraction form
    5,225.93/7,839.14 = 2,105.51/x
  3. Step 3: Cross multiply
    5,225.93x = 7,839.14 × 2,105.51
  4. Step 4: Simplify right side
    5,225.93x = 16,505,412.52
  5. Step 5: Solve for x
    x = 16,505,412.52/5,225.93
  6. Step 6: Final answer
    x = 3,158.37

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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.