Home / 7,083.45-10,629.28-2,922.68

Finding the Fourth Proportional to 7,083.45, 10,629.28 and 2,922.68

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Solution

The fourth proportional to 7,083.45, 10,629.28 and 2,922.68 is: 4,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.45 : 10,629.28 = 2,922.68 : x
  2. Step 2: Convert to fraction form
    7,083.45/10,629.28 = 2,922.68/x
  3. Step 3: Cross multiply
    7,083.45x = 10,629.28 × 2,922.68
  4. Step 4: Simplify right side
    7,083.45x = 31,065,997.86
  5. Step 5: Solve for x
    x = 31,065,997.86/7,083.45
  6. Step 6: Final answer
    x = 4,385.72

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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.