Home / 7,087.62-9,782.20-4,103.73

Finding the Fourth Proportional to 7,087.62, 9,782.20 and 4,103.73

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Solution

The fourth proportional to 7,087.62, 9,782.20 and 4,103.73 is: 5,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.62 : 9,782.20 = 4,103.73 : x
  2. Step 2: Convert to fraction form
    7,087.62/9,782.20 = 4,103.73/x
  3. Step 3: Cross multiply
    7,087.62x = 9,782.20 × 4,103.73
  4. Step 4: Simplify right side
    7,087.62x = 40,143,507.61
  5. Step 5: Solve for x
    x = 40,143,507.61/7,087.62
  6. Step 6: Final answer
    x = 5,663.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.