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Finding the Fourth Proportional to 5,364.75, 7,400.84 and 3,793.71

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Solution

The fourth proportional to 5,364.75, 7,400.84 and 3,793.71 is: 5,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.75 : 7,400.84 = 3,793.71 : x
  2. Step 2: Convert to fraction form
    5,364.75/7,400.84 = 3,793.71/x
  3. Step 3: Cross multiply
    5,364.75x = 7,400.84 × 3,793.71
  4. Step 4: Simplify right side
    5,364.75x = 28,076,621.75
  5. Step 5: Solve for x
    x = 28,076,621.75/5,364.75
  6. Step 6: Final answer
    x = 5,233.54

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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.