Home / 8,513.60-12,773.12-2,968.32

Finding the Fourth Proportional to 8,513.60, 12,773.12 and 2,968.32

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Solution

The fourth proportional to 8,513.60, 12,773.12 and 2,968.32 is: 4,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.60 : 12,773.12 = 2,968.32 : x
  2. Step 2: Convert to fraction form
    8,513.60/12,773.12 = 2,968.32/x
  3. Step 3: Cross multiply
    8,513.60x = 12,773.12 × 2,968.32
  4. Step 4: Simplify right side
    8,513.60x = 37,914,707.56
  5. Step 5: Solve for x
    x = 37,914,707.56/8,513.60
  6. Step 6: Final answer
    x = 4,453.43

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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.