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Finding the Fourth Proportional to 8,435.81, 12,654.93 and 2,592.92

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Solution

The fourth proportional to 8,435.81, 12,654.93 and 2,592.92 is: 3,889.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.81 : 12,654.93 = 2,592.92 : x
  2. Step 2: Convert to fraction form
    8,435.81/12,654.93 = 2,592.92/x
  3. Step 3: Cross multiply
    8,435.81x = 12,654.93 × 2,592.92
  4. Step 4: Simplify right side
    8,435.81x = 32,813,221.10
  5. Step 5: Solve for x
    x = 32,813,221.10/8,435.81
  6. Step 6: Final answer
    x = 3,889.75

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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.