Home / 7,206.08-10,801.20-2,822.72

Finding the Fourth Proportional to 7,206.08, 10,801.20 and 2,822.72

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Solution

The fourth proportional to 7,206.08, 10,801.20 and 2,822.72 is: 4,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.08 : 10,801.20 = 2,822.72 : x
  2. Step 2: Convert to fraction form
    7,206.08/10,801.20 = 2,822.72/x
  3. Step 3: Cross multiply
    7,206.08x = 10,801.20 × 2,822.72
  4. Step 4: Simplify right side
    7,206.08x = 30,488,763.26
  5. Step 5: Solve for x
    x = 30,488,763.26/7,206.08
  6. Step 6: Final answer
    x = 4,230.98

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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.