Home / 6,199.19-9,315.81-3,279.56

Finding the Fourth Proportional to 6,199.19, 9,315.81 and 3,279.56

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Solution

The fourth proportional to 6,199.19, 9,315.81 and 3,279.56 is: 4,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.19 : 9,315.81 = 3,279.56 : x
  2. Step 2: Convert to fraction form
    6,199.19/9,315.81 = 3,279.56/x
  3. Step 3: Cross multiply
    6,199.19x = 9,315.81 × 3,279.56
  4. Step 4: Simplify right side
    6,199.19x = 30,551,757.84
  5. Step 5: Solve for x
    x = 30,551,757.84/6,199.19
  6. Step 6: Final answer
    x = 4,928.35

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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.