Home / 7,214.80-10,819.32-2,596.72

Finding the Fourth Proportional to 7,214.80, 10,819.32 and 2,596.72

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Solution

The fourth proportional to 7,214.80, 10,819.32 and 2,596.72 is: 3,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.80 : 10,819.32 = 2,596.72 : x
  2. Step 2: Convert to fraction form
    7,214.80/10,819.32 = 2,596.72/x
  3. Step 3: Cross multiply
    7,214.80x = 10,819.32 × 2,596.72
  4. Step 4: Simplify right side
    7,214.80x = 28,094,744.63
  5. Step 5: Solve for x
    x = 28,094,744.63/7,214.80
  6. Step 6: Final answer
    x = 3,894.04

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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.