Home / 6,991.31-10,487.07-1,797.19

Finding the Fourth Proportional to 6,991.31, 10,487.07 and 1,797.19

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Solution

The fourth proportional to 6,991.31, 10,487.07 and 1,797.19 is: 2,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.31 : 10,487.07 = 1,797.19 : x
  2. Step 2: Convert to fraction form
    6,991.31/10,487.07 = 1,797.19/x
  3. Step 3: Cross multiply
    6,991.31x = 10,487.07 × 1,797.19
  4. Step 4: Simplify right side
    6,991.31x = 18,847,231.12
  5. Step 5: Solve for x
    x = 18,847,231.12/6,991.31
  6. Step 6: Final answer
    x = 2,695.81

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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.