Home / 6,520.00-9,781.36-2,137.11

Finding the Fourth Proportional to 6,520.00, 9,781.36 and 2,137.11

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Solution

The fourth proportional to 6,520.00, 9,781.36 and 2,137.11 is: 3,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.00 : 9,781.36 = 2,137.11 : x
  2. Step 2: Convert to fraction form
    6,520.00/9,781.36 = 2,137.11/x
  3. Step 3: Cross multiply
    6,520.00x = 9,781.36 × 2,137.11
  4. Step 4: Simplify right side
    6,520.00x = 20,903,836.93
  5. Step 5: Solve for x
    x = 20,903,836.93/6,520.00
  6. Step 6: Final answer
    x = 3,206.11

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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.