Home / 8,960.22-13,425.48-3,113.64

Finding the Fourth Proportional to 8,960.22, 13,425.48 and 3,113.64

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Solution

The fourth proportional to 8,960.22, 13,425.48 and 3,113.64 is: 4,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.22 : 13,425.48 = 3,113.64 : x
  2. Step 2: Convert to fraction form
    8,960.22/13,425.48 = 3,113.64/x
  3. Step 3: Cross multiply
    8,960.22x = 13,425.48 × 3,113.64
  4. Step 4: Simplify right side
    8,960.22x = 41,802,111.55
  5. Step 5: Solve for x
    x = 41,802,111.55/8,960.22
  6. Step 6: Final answer
    x = 4,665.30

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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.