Home / 7,221.12-10,833.12-2,604.48

Finding the Fourth Proportional to 7,221.12, 10,833.12 and 2,604.48

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Solution

The fourth proportional to 7,221.12, 10,833.12 and 2,604.48 is: 3,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.12 : 10,833.12 = 2,604.48 : x
  2. Step 2: Convert to fraction form
    7,221.12/10,833.12 = 2,604.48/x
  3. Step 3: Cross multiply
    7,221.12x = 10,833.12 × 2,604.48
  4. Step 4: Simplify right side
    7,221.12x = 28,214,644.38
  5. Step 5: Solve for x
    x = 28,214,644.38/7,221.12
  6. Step 6: Final answer
    x = 3,907.24

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1.5x scale

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.