Home / 6,207.36-9,315.72-3,286.32

Finding the Fourth Proportional to 6,207.36, 9,315.72 and 3,286.32

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Solution

The fourth proportional to 6,207.36, 9,315.72 and 3,286.32 is: 4,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.36 : 9,315.72 = 3,286.32 : x
  2. Step 2: Convert to fraction form
    6,207.36/9,315.72 = 3,286.32/x
  3. Step 3: Cross multiply
    6,207.36x = 9,315.72 × 3,286.32
  4. Step 4: Simplify right side
    6,207.36x = 30,614,436.95
  5. Step 5: Solve for x
    x = 30,614,436.95/6,207.36
  6. Step 6: Final answer
    x = 4,931.96

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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.