Home / 7,137.30-9,849.27-3,950.73

Finding the Fourth Proportional to 7,137.30, 9,849.27 and 3,950.73

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Solution

The fourth proportional to 7,137.30, 9,849.27 and 3,950.73 is: 5,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.30 : 9,849.27 = 3,950.73 : x
  2. Step 2: Convert to fraction form
    7,137.30/9,849.27 = 3,950.73/x
  3. Step 3: Cross multiply
    7,137.30x = 9,849.27 × 3,950.73
  4. Step 4: Simplify right side
    7,137.30x = 38,911,769.53
  5. Step 5: Solve for x
    x = 38,911,769.53/7,137.30
  6. Step 6: Final answer
    x = 5,451.89

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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.