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Finding the Fourth Proportional to 5,536.64, 8,296.31 and 3,480.32

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Solution

The fourth proportional to 5,536.64, 8,296.31 and 3,480.32 is: 5,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.64 : 8,296.31 = 3,480.32 : x
  2. Step 2: Convert to fraction form
    5,536.64/8,296.31 = 3,480.32/x
  3. Step 3: Cross multiply
    5,536.64x = 8,296.31 × 3,480.32
  4. Step 4: Simplify right side
    5,536.64x = 28,873,813.62
  5. Step 5: Solve for x
    x = 28,873,813.62/5,536.64
  6. Step 6: Final answer
    x = 5,215.04

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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.