Home / 7,015.11-10,520.88-2,083.60

Finding the Fourth Proportional to 7,015.11, 10,520.88 and 2,083.60

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Solution

The fourth proportional to 7,015.11, 10,520.88 and 2,083.60 is: 3,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.11 : 10,520.88 = 2,083.60 : x
  2. Step 2: Convert to fraction form
    7,015.11/10,520.88 = 2,083.60/x
  3. Step 3: Cross multiply
    7,015.11x = 10,520.88 × 2,083.60
  4. Step 4: Simplify right side
    7,015.11x = 21,921,305.57
  5. Step 5: Solve for x
    x = 21,921,305.57/7,015.11
  6. Step 6: Final answer
    x = 3,124.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.