Home / 7,723.40-11,580.78-2,528.84

Finding the Fourth Proportional to 7,723.40, 11,580.78 and 2,528.84

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Solution

The fourth proportional to 7,723.40, 11,580.78 and 2,528.84 is: 3,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.40 : 11,580.78 = 2,528.84 : x
  2. Step 2: Convert to fraction form
    7,723.40/11,580.78 = 2,528.84/x
  3. Step 3: Cross multiply
    7,723.40x = 11,580.78 × 2,528.84
  4. Step 4: Simplify right side
    7,723.40x = 29,285,939.70
  5. Step 5: Solve for x
    x = 29,285,939.70/7,723.40
  6. Step 6: Final answer
    x = 3,791.85

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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.