Home / 6,889.24-10,326.30-2,989

Finding the Fourth Proportional to 6,889.24, 10,326.30 and 2,989

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Solution

The fourth proportional to 6,889.24, 10,326.30 and 2,989 is: 4,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.24 : 10,326.30 = 2,989 : x
  2. Step 2: Convert to fraction form
    6,889.24/10,326.30 = 2,989/x
  3. Step 3: Cross multiply
    6,889.24x = 10,326.30 × 2,989
  4. Step 4: Simplify right side
    6,889.24x = 30,865,310.70
  5. Step 5: Solve for x
    x = 30,865,310.70/6,889.24
  6. Step 6: Final answer
    x = 4,480.22

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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.