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Finding the Fourth Proportional to 8,452.70, 11,664.62 and 4,675.57

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Solution

The fourth proportional to 8,452.70, 11,664.62 and 4,675.57 is: 6,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.70 : 11,664.62 = 4,675.57 : x
  2. Step 2: Convert to fraction form
    8,452.70/11,664.62 = 4,675.57/x
  3. Step 3: Cross multiply
    8,452.70x = 11,664.62 × 4,675.57
  4. Step 4: Simplify right side
    8,452.70x = 54,538,738.63
  5. Step 5: Solve for x
    x = 54,538,738.63/8,452.70
  6. Step 6: Final answer
    x = 6,452.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.