Home / 7,200.50-10,801.74-2,519.82

Finding the Fourth Proportional to 7,200.50, 10,801.74 and 2,519.82

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Solution

The fourth proportional to 7,200.50, 10,801.74 and 2,519.82 is: 3,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.50 : 10,801.74 = 2,519.82 : x
  2. Step 2: Convert to fraction form
    7,200.50/10,801.74 = 2,519.82/x
  3. Step 3: Cross multiply
    7,200.50x = 10,801.74 × 2,519.82
  4. Step 4: Simplify right side
    7,200.50x = 27,218,440.49
  5. Step 5: Solve for x
    x = 27,218,440.49/7,200.50
  6. Step 6: Final answer
    x = 3,780.08

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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.