Home / 6,217.36-9,306.60-3,288.40

Finding the Fourth Proportional to 6,217.36, 9,306.60 and 3,288.40

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Solution

The fourth proportional to 6,217.36, 9,306.60 and 3,288.40 is: 4,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.36 : 9,306.60 = 3,288.40 : x
  2. Step 2: Convert to fraction form
    6,217.36/9,306.60 = 3,288.40/x
  3. Step 3: Cross multiply
    6,217.36x = 9,306.60 × 3,288.40
  4. Step 4: Simplify right side
    6,217.36x = 30,603,823.44
  5. Step 5: Solve for x
    x = 30,603,823.44/6,217.36
  6. Step 6: Final answer
    x = 4,922.32

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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.