Home / 6,727.60-10,091.36-2,781.08

Finding the Fourth Proportional to 6,727.60, 10,091.36 and 2,781.08

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Solution

The fourth proportional to 6,727.60, 10,091.36 and 2,781.08 is: 4,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,727.60 : 10,091.36 = 2,781.08 : x
  2. Step 2: Convert to fraction form
    6,727.60/10,091.36 = 2,781.08/x
  3. Step 3: Cross multiply
    6,727.60x = 10,091.36 × 2,781.08
  4. Step 4: Simplify right side
    6,727.60x = 28,064,879.47
  5. Step 5: Solve for x
    x = 28,064,879.47/6,727.60
  6. Step 6: Final answer
    x = 4,171.60

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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.