Home / 7,212.34-10,818.91-3,517.73

Finding the Fourth Proportional to 7,212.34, 10,818.91 and 3,517.73

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Solution

The fourth proportional to 7,212.34, 10,818.91 and 3,517.73 is: 5,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.34 : 10,818.91 = 3,517.73 : x
  2. Step 2: Convert to fraction form
    7,212.34/10,818.91 = 3,517.73/x
  3. Step 3: Cross multiply
    7,212.34x = 10,818.91 × 3,517.73
  4. Step 4: Simplify right side
    7,212.34x = 38,057,950.18
  5. Step 5: Solve for x
    x = 38,057,950.18/7,212.34
  6. Step 6: Final answer
    x = 5,276.79

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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.