Home / 5,727.60-7,906.85-3,604.16

Finding the Fourth Proportional to 5,727.60, 7,906.85 and 3,604.16

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Solution

The fourth proportional to 5,727.60, 7,906.85 and 3,604.16 is: 4,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.60 : 7,906.85 = 3,604.16 : x
  2. Step 2: Convert to fraction form
    5,727.60/7,906.85 = 3,604.16/x
  3. Step 3: Cross multiply
    5,727.60x = 7,906.85 × 3,604.16
  4. Step 4: Simplify right side
    5,727.60x = 28,497,494.94
  5. Step 5: Solve for x
    x = 28,497,494.94/5,727.60
  6. Step 6: Final answer
    x = 4,975.47

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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.