Home / 7,949.28-11,914.62-5,313.60

Finding the Fourth Proportional to 7,949.28, 11,914.62 and 5,313.60

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Solution

The fourth proportional to 7,949.28, 11,914.62 and 5,313.60 is: 7,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.28 : 11,914.62 = 5,313.60 : x
  2. Step 2: Convert to fraction form
    7,949.28/11,914.62 = 5,313.60/x
  3. Step 3: Cross multiply
    7,949.28x = 11,914.62 × 5,313.60
  4. Step 4: Simplify right side
    7,949.28x = 63,309,524.83
  5. Step 5: Solve for x
    x = 63,309,524.83/7,949.28
  6. Step 6: Final answer
    x = 7,964.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.