Home / 7,729.23-11,591.10-2,797.59

Finding the Fourth Proportional to 7,729.23, 11,591.10 and 2,797.59

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Solution

The fourth proportional to 7,729.23, 11,591.10 and 2,797.59 is: 4,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.23 : 11,591.10 = 2,797.59 : x
  2. Step 2: Convert to fraction form
    7,729.23/11,591.10 = 2,797.59/x
  3. Step 3: Cross multiply
    7,729.23x = 11,591.10 × 2,797.59
  4. Step 4: Simplify right side
    7,729.23x = 32,427,145.45
  5. Step 5: Solve for x
    x = 32,427,145.45/7,729.23
  6. Step 6: Final answer
    x = 4,195.39

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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.