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Finding the Fourth Proportional to 8,833.35, 13,246.53 and 3,899.50

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Solution

The fourth proportional to 8,833.35, 13,246.53 and 3,899.50 is: 5,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.35 : 13,246.53 = 3,899.50 : x
  2. Step 2: Convert to fraction form
    8,833.35/13,246.53 = 3,899.50/x
  3. Step 3: Cross multiply
    8,833.35x = 13,246.53 × 3,899.50
  4. Step 4: Simplify right side
    8,833.35x = 51,654,843.74
  5. Step 5: Solve for x
    x = 51,654,843.74/8,833.35
  6. Step 6: Final answer
    x = 5,847.71

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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.