Home / 8,083.18-11,154.78-4,727.05

Finding the Fourth Proportional to 8,083.18, 11,154.78 and 4,727.05

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Solution

The fourth proportional to 8,083.18, 11,154.78 and 4,727.05 is: 6,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.18 : 11,154.78 = 4,727.05 : x
  2. Step 2: Convert to fraction form
    8,083.18/11,154.78 = 4,727.05/x
  3. Step 3: Cross multiply
    8,083.18x = 11,154.78 × 4,727.05
  4. Step 4: Simplify right side
    8,083.18x = 52,729,202.80
  5. Step 5: Solve for x
    x = 52,729,202.80/8,083.18
  6. Step 6: Final answer
    x = 6,523.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.