Home / 7,212.35-10,819.65-2,281.52

Finding the Fourth Proportional to 7,212.35, 10,819.65 and 2,281.52

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Solution

The fourth proportional to 7,212.35, 10,819.65 and 2,281.52 is: 3,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.35 : 10,819.65 = 2,281.52 : x
  2. Step 2: Convert to fraction form
    7,212.35/10,819.65 = 2,281.52/x
  3. Step 3: Cross multiply
    7,212.35x = 10,819.65 × 2,281.52
  4. Step 4: Simplify right side
    7,212.35x = 24,685,247.87
  5. Step 5: Solve for x
    x = 24,685,247.87/7,212.35
  6. Step 6: Final answer
    x = 3,422.64

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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.