Home / 7,966.76-11,946-2,771.48

Finding the Fourth Proportional to 7,966.76, 11,946 and 2,771.48

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Solution

The fourth proportional to 7,966.76, 11,946 and 2,771.48 is: 4,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.76 : 11,946 = 2,771.48 : x
  2. Step 2: Convert to fraction form
    7,966.76/11,946 = 2,771.48/x
  3. Step 3: Cross multiply
    7,966.76x = 11,946 × 2,771.48
  4. Step 4: Simplify right side
    7,966.76x = 33,108,100.08
  5. Step 5: Solve for x
    x = 33,108,100.08/7,966.76
  6. Step 6: Final answer
    x = 4,155.78

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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.