Home / 6,329.94-8,727.20-5,191.44

Finding the Fourth Proportional to 6,329.94, 8,727.20 and 5,191.44

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Solution

The fourth proportional to 6,329.94, 8,727.20 and 5,191.44 is: 7,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329.94 : 8,727.20 = 5,191.44 : x
  2. Step 2: Convert to fraction form
    6,329.94/8,727.20 = 5,191.44/x
  3. Step 3: Cross multiply
    6,329.94x = 8,727.20 × 5,191.44
  4. Step 4: Simplify right side
    6,329.94x = 45,306,735.17
  5. Step 5: Solve for x
    x = 45,306,735.17/6,329.94
  6. Step 6: Final answer
    x = 7,157.53

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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.