Home / 6,990.26-10,487.91-3,524.90

Finding the Fourth Proportional to 6,990.26, 10,487.91 and 3,524.90

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Solution

The fourth proportional to 6,990.26, 10,487.91 and 3,524.90 is: 5,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.26 : 10,487.91 = 3,524.90 : x
  2. Step 2: Convert to fraction form
    6,990.26/10,487.91 = 3,524.90/x
  3. Step 3: Cross multiply
    6,990.26x = 10,487.91 × 3,524.90
  4. Step 4: Simplify right side
    6,990.26x = 36,968,833.96
  5. Step 5: Solve for x
    x = 36,968,833.96/6,990.26
  6. Step 6: Final answer
    x = 5,288.62

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1.5x scale

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.