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Finding the Fourth Proportional to 8,911.82, 13,354.94 and 5,008.02

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Solution

The fourth proportional to 8,911.82, 13,354.94 and 5,008.02 is: 7,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.82 : 13,354.94 = 5,008.02 : x
  2. Step 2: Convert to fraction form
    8,911.82/13,354.94 = 5,008.02/x
  3. Step 3: Cross multiply
    8,911.82x = 13,354.94 × 5,008.02
  4. Step 4: Simplify right side
    8,911.82x = 66,881,806.62
  5. Step 5: Solve for x
    x = 66,881,806.62/8,911.82
  6. Step 6: Final answer
    x = 7,504.84

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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.