Home / 6,520.22-9,781.81-2,823.05

Finding the Fourth Proportional to 6,520.22, 9,781.81 and 2,823.05

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Solution

The fourth proportional to 6,520.22, 9,781.81 and 2,823.05 is: 4,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.22 : 9,781.81 = 2,823.05 : x
  2. Step 2: Convert to fraction form
    6,520.22/9,781.81 = 2,823.05/x
  3. Step 3: Cross multiply
    6,520.22x = 9,781.81 × 2,823.05
  4. Step 4: Simplify right side
    6,520.22x = 27,614,572.00
  5. Step 5: Solve for x
    x = 27,614,572.00/6,520.22
  6. Step 6: Final answer
    x = 4,235.22

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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.