Home / 6,799.74-10,189.88-3,871.99

Finding the Fourth Proportional to 6,799.74, 10,189.88 and 3,871.99

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Solution

The fourth proportional to 6,799.74, 10,189.88 and 3,871.99 is: 5,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.74 : 10,189.88 = 3,871.99 : x
  2. Step 2: Convert to fraction form
    6,799.74/10,189.88 = 3,871.99/x
  3. Step 3: Cross multiply
    6,799.74x = 10,189.88 × 3,871.99
  4. Step 4: Simplify right side
    6,799.74x = 39,455,143.14
  5. Step 5: Solve for x
    x = 39,455,143.14/6,799.74
  6. Step 6: Final answer
    x = 5,802.45

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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.