Home / 7,964.28-11,946.36-2,770.14

Finding the Fourth Proportional to 7,964.28, 11,946.36 and 2,770.14

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Solution

The fourth proportional to 7,964.28, 11,946.36 and 2,770.14 is: 4,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.28 : 11,946.36 = 2,770.14 : x
  2. Step 2: Convert to fraction form
    7,964.28/11,946.36 = 2,770.14/x
  3. Step 3: Cross multiply
    7,964.28x = 11,946.36 × 2,770.14
  4. Step 4: Simplify right side
    7,964.28x = 33,093,089.69
  5. Step 5: Solve for x
    x = 33,093,089.69/7,964.28
  6. Step 6: Final answer
    x = 4,155.19

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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.