Home / 8,028.11-12,037.61-3,640.14

Finding the Fourth Proportional to 8,028.11, 12,037.61 and 3,640.14

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Solution

The fourth proportional to 8,028.11, 12,037.61 and 3,640.14 is: 5,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.11 : 12,037.61 = 3,640.14 : x
  2. Step 2: Convert to fraction form
    8,028.11/12,037.61 = 3,640.14/x
  3. Step 3: Cross multiply
    8,028.11x = 12,037.61 × 3,640.14
  4. Step 4: Simplify right side
    8,028.11x = 43,818,594.77
  5. Step 5: Solve for x
    x = 43,818,594.77/8,028.11
  6. Step 6: Final answer
    x = 5,458.14

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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.