Home / 7,222.19-10,833.28-2,605.19

Finding the Fourth Proportional to 7,222.19, 10,833.28 and 2,605.19

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Solution

The fourth proportional to 7,222.19, 10,833.28 and 2,605.19 is: 3,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.19 : 10,833.28 = 2,605.19 : x
  2. Step 2: Convert to fraction form
    7,222.19/10,833.28 = 2,605.19/x
  3. Step 3: Cross multiply
    7,222.19x = 10,833.28 × 2,605.19
  4. Step 4: Simplify right side
    7,222.19x = 28,222,752.72
  5. Step 5: Solve for x
    x = 28,222,752.72/7,222.19
  6. Step 6: Final answer
    x = 3,907.78

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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.