Home / 7,180.28-9,906.49-4,346.75

Finding the Fourth Proportional to 7,180.28, 9,906.49 and 4,346.75

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Solution

The fourth proportional to 7,180.28, 9,906.49 and 4,346.75 is: 5,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.28 : 9,906.49 = 4,346.75 : x
  2. Step 2: Convert to fraction form
    7,180.28/9,906.49 = 4,346.75/x
  3. Step 3: Cross multiply
    7,180.28x = 9,906.49 × 4,346.75
  4. Step 4: Simplify right side
    7,180.28x = 43,060,975.01
  5. Step 5: Solve for x
    x = 43,060,975.01/7,180.28
  6. Step 6: Final answer
    x = 5,997.12

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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.