Home / 6,899.13-10,351.40-3,975.84

Finding the Fourth Proportional to 6,899.13, 10,351.40 and 3,975.84

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Solution

The fourth proportional to 6,899.13, 10,351.40 and 3,975.84 is: 5,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.13 : 10,351.40 = 3,975.84 : x
  2. Step 2: Convert to fraction form
    6,899.13/10,351.40 = 3,975.84/x
  3. Step 3: Cross multiply
    6,899.13x = 10,351.40 × 3,975.84
  4. Step 4: Simplify right side
    6,899.13x = 41,155,490.30
  5. Step 5: Solve for x
    x = 41,155,490.30/6,899.13
  6. Step 6: Final answer
    x = 5,965.32

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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.