Home / 6,990.26-10,487.21-2,607.75

Finding the Fourth Proportional to 6,990.26, 10,487.21 and 2,607.75

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Solution

The fourth proportional to 6,990.26, 10,487.21 and 2,607.75 is: 3,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.26 : 10,487.21 = 2,607.75 : x
  2. Step 2: Convert to fraction form
    6,990.26/10,487.21 = 2,607.75/x
  3. Step 3: Cross multiply
    6,990.26x = 10,487.21 × 2,607.75
  4. Step 4: Simplify right side
    6,990.26x = 27,348,008.84
  5. Step 5: Solve for x
    x = 27,348,008.84/6,990.26
  6. Step 6: Final answer
    x = 3,912.30

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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.