Home / 7,213.15-10,819.65-2,282.79

Finding the Fourth Proportional to 7,213.15, 10,819.65 and 2,282.79

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Solution

The fourth proportional to 7,213.15, 10,819.65 and 2,282.79 is: 3,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.15 : 10,819.65 = 2,282.79 : x
  2. Step 2: Convert to fraction form
    7,213.15/10,819.65 = 2,282.79/x
  3. Step 3: Cross multiply
    7,213.15x = 10,819.65 × 2,282.79
  4. Step 4: Simplify right side
    7,213.15x = 24,698,988.82
  5. Step 5: Solve for x
    x = 24,698,988.82/7,213.15
  6. Step 6: Final answer
    x = 3,424.16

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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.