Home / 8,403.36-12,605.16-2,163.22

Finding the Fourth Proportional to 8,403.36, 12,605.16 and 2,163.22

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Solution

The fourth proportional to 8,403.36, 12,605.16 and 2,163.22 is: 3,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.36 : 12,605.16 = 2,163.22 : x
  2. Step 2: Convert to fraction form
    8,403.36/12,605.16 = 2,163.22/x
  3. Step 3: Cross multiply
    8,403.36x = 12,605.16 × 2,163.22
  4. Step 4: Simplify right side
    8,403.36x = 27,267,734.22
  5. Step 5: Solve for x
    x = 27,267,734.22/8,403.36
  6. Step 6: Final answer
    x = 3,244.86

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Double scale
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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.