Home / 4,727.03-7,086.83-2,877.80

Finding the Fourth Proportional to 4,727.03, 7,086.83 and 2,877.80

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Solution

The fourth proportional to 4,727.03, 7,086.83 and 2,877.80 is: 4,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.03 : 7,086.83 = 2,877.80 : x
  2. Step 2: Convert to fraction form
    4,727.03/7,086.83 = 2,877.80/x
  3. Step 3: Cross multiply
    4,727.03x = 7,086.83 × 2,877.80
  4. Step 4: Simplify right side
    4,727.03x = 20,394,429.55
  5. Step 5: Solve for x
    x = 20,394,429.55/4,727.03
  6. Step 6: Final answer
    x = 4,314.43

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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.