Home / 6,199.11-8,555.09-3,959.19

Finding the Fourth Proportional to 6,199.11, 8,555.09 and 3,959.19

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Solution

The fourth proportional to 6,199.11, 8,555.09 and 3,959.19 is: 5,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.11 : 8,555.09 = 3,959.19 : x
  2. Step 2: Convert to fraction form
    6,199.11/8,555.09 = 3,959.19/x
  3. Step 3: Cross multiply
    6,199.11x = 8,555.09 × 3,959.19
  4. Step 4: Simplify right side
    6,199.11x = 33,871,206.98
  5. Step 5: Solve for x
    x = 33,871,206.98/6,199.11
  6. Step 6: Final answer
    x = 5,463.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.