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Finding the Fourth Proportional to 8,485.52, 12,728.33 and 2,562.42

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Solution

The fourth proportional to 8,485.52, 12,728.33 and 2,562.42 is: 3,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.52 : 12,728.33 = 2,562.42 : x
  2. Step 2: Convert to fraction form
    8,485.52/12,728.33 = 2,562.42/x
  3. Step 3: Cross multiply
    8,485.52x = 12,728.33 × 2,562.42
  4. Step 4: Simplify right side
    8,485.52x = 32,615,327.36
  5. Step 5: Solve for x
    x = 32,615,327.36/8,485.52
  6. Step 6: Final answer
    x = 3,843.65

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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.