Home / 6,989.26-10,486.41-3,523.90

Finding the Fourth Proportional to 6,989.26, 10,486.41 and 3,523.90

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Solution

The fourth proportional to 6,989.26, 10,486.41 and 3,523.90 is: 5,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.26 : 10,486.41 = 3,523.90 : x
  2. Step 2: Convert to fraction form
    6,989.26/10,486.41 = 3,523.90/x
  3. Step 3: Cross multiply
    6,989.26x = 10,486.41 × 3,523.90
  4. Step 4: Simplify right side
    6,989.26x = 36,953,060.20
  5. Step 5: Solve for x
    x = 36,953,060.20/6,989.26
  6. Step 6: Final answer
    x = 5,287.12

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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.