Home / 7,777.10-11,660.96-3,097.83

Finding the Fourth Proportional to 7,777.10, 11,660.96 and 3,097.83

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Solution

The fourth proportional to 7,777.10, 11,660.96 and 3,097.83 is: 4,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.10 : 11,660.96 = 3,097.83 : x
  2. Step 2: Convert to fraction form
    7,777.10/11,660.96 = 3,097.83/x
  3. Step 3: Cross multiply
    7,777.10x = 11,660.96 × 3,097.83
  4. Step 4: Simplify right side
    7,777.10x = 36,123,671.72
  5. Step 5: Solve for x
    x = 36,123,671.72/7,777.10
  6. Step 6: Final answer
    x = 4,644.88

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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.