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Finding the Fourth Proportional to 8,393.68, 12,592.01 and 3,460.62

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Solution

The fourth proportional to 8,393.68, 12,592.01 and 3,460.62 is: 5,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.68 : 12,592.01 = 3,460.62 : x
  2. Step 2: Convert to fraction form
    8,393.68/12,592.01 = 3,460.62/x
  3. Step 3: Cross multiply
    8,393.68x = 12,592.01 × 3,460.62
  4. Step 4: Simplify right side
    8,393.68x = 43,576,198.05
  5. Step 5: Solve for x
    x = 43,576,198.05/8,393.68
  6. Step 6: Final answer
    x = 5,191.55

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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.