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Finding the Fourth Proportional to 8,203.59, 12,304.32 and 2,656.38

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Solution

The fourth proportional to 8,203.59, 12,304.32 and 2,656.38 is: 3,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.59 : 12,304.32 = 2,656.38 : x
  2. Step 2: Convert to fraction form
    8,203.59/12,304.32 = 2,656.38/x
  3. Step 3: Cross multiply
    8,203.59x = 12,304.32 × 2,656.38
  4. Step 4: Simplify right side
    8,203.59x = 32,684,949.56
  5. Step 5: Solve for x
    x = 32,684,949.56/8,203.59
  6. Step 6: Final answer
    x = 3,984.23

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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.