Home / 6,719.92-9,273.62-3,887.35

Finding the Fourth Proportional to 6,719.92, 9,273.62 and 3,887.35

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Solution

The fourth proportional to 6,719.92, 9,273.62 and 3,887.35 is: 5,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.92 : 9,273.62 = 3,887.35 : x
  2. Step 2: Convert to fraction form
    6,719.92/9,273.62 = 3,887.35/x
  3. Step 3: Cross multiply
    6,719.92x = 9,273.62 × 3,887.35
  4. Step 4: Simplify right side
    6,719.92x = 36,049,793.24
  5. Step 5: Solve for x
    x = 36,049,793.24/6,719.92
  6. Step 6: Final answer
    x = 5,364.62

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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.