Home / 6,727.20-10,089.60-4,257.60

Finding the Fourth Proportional to 6,727.20, 10,089.60 and 4,257.60

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Solution

The fourth proportional to 6,727.20, 10,089.60 and 4,257.60 is: 6,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,727.20 : 10,089.60 = 4,257.60 : x
  2. Step 2: Convert to fraction form
    6,727.20/10,089.60 = 4,257.60/x
  3. Step 3: Cross multiply
    6,727.20x = 10,089.60 × 4,257.60
  4. Step 4: Simplify right side
    6,727.20x = 42,957,480.96
  5. Step 5: Solve for x
    x = 42,957,480.96/6,727.20
  6. Step 6: Final answer
    x = 6,385.64

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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.