Home / 7,469.56-11,197.38-4,687.78

Finding the Fourth Proportional to 7,469.56, 11,197.38 and 4,687.78

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Solution

The fourth proportional to 7,469.56, 11,197.38 and 4,687.78 is: 7,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.56 : 11,197.38 = 4,687.78 : x
  2. Step 2: Convert to fraction form
    7,469.56/11,197.38 = 4,687.78/x
  3. Step 3: Cross multiply
    7,469.56x = 11,197.38 × 4,687.78
  4. Step 4: Simplify right side
    7,469.56x = 52,490,854.02
  5. Step 5: Solve for x
    x = 52,490,854.02/7,469.56
  6. Step 6: Final answer
    x = 7,027.30

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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.