Home / 6,699.24-10,039.80-3,190.80

Finding the Fourth Proportional to 6,699.24, 10,039.80 and 3,190.80

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Solution

The fourth proportional to 6,699.24, 10,039.80 and 3,190.80 is: 4,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.24 : 10,039.80 = 3,190.80 : x
  2. Step 2: Convert to fraction form
    6,699.24/10,039.80 = 3,190.80/x
  3. Step 3: Cross multiply
    6,699.24x = 10,039.80 × 3,190.80
  4. Step 4: Simplify right side
    6,699.24x = 32,034,993.84
  5. Step 5: Solve for x
    x = 32,034,993.84/6,699.24
  6. Step 6: Final answer
    x = 4,781.88

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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.