Home / 7,209.69-10,816.14-2,212.76

Finding the Fourth Proportional to 7,209.69, 10,816.14 and 2,212.76

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Solution

The fourth proportional to 7,209.69, 10,816.14 and 2,212.76 is: 3,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.69 : 10,816.14 = 2,212.76 : x
  2. Step 2: Convert to fraction form
    7,209.69/10,816.14 = 2,212.76/x
  3. Step 3: Cross multiply
    7,209.69x = 10,816.14 × 2,212.76
  4. Step 4: Simplify right side
    7,209.69x = 23,933,467.87
  5. Step 5: Solve for x
    x = 23,933,467.87/7,209.69
  6. Step 6: Final answer
    x = 3,319.63

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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.