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Finding the Fourth Proportional to 8,493.59, 12,727.40 and 3,560.54

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Solution

The fourth proportional to 8,493.59, 12,727.40 and 3,560.54 is: 5,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.59 : 12,727.40 = 3,560.54 : x
  2. Step 2: Convert to fraction form
    8,493.59/12,727.40 = 3,560.54/x
  3. Step 3: Cross multiply
    8,493.59x = 12,727.40 × 3,560.54
  4. Step 4: Simplify right side
    8,493.59x = 45,316,416.80
  5. Step 5: Solve for x
    x = 45,316,416.80/8,493.59
  6. Step 6: Final answer
    x = 5,335.37

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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.