Home / 4,988.75-6,884.96-3,727.61

Finding the Fourth Proportional to 4,988.75, 6,884.96 and 3,727.61

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Solution

The fourth proportional to 4,988.75, 6,884.96 and 3,727.61 is: 5,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.75 : 6,884.96 = 3,727.61 : x
  2. Step 2: Convert to fraction form
    4,988.75/6,884.96 = 3,727.61/x
  3. Step 3: Cross multiply
    4,988.75x = 6,884.96 × 3,727.61
  4. Step 4: Simplify right side
    4,988.75x = 25,664,418.50
  5. Step 5: Solve for x
    x = 25,664,418.50/4,988.75
  6. Step 6: Final answer
    x = 5,144.46

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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.