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Finding the Fourth Proportional to 8,842.14, 13,255.47 and 3,573.90

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Solution

The fourth proportional to 8,842.14, 13,255.47 and 3,573.90 is: 5,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.14 : 13,255.47 = 3,573.90 : x
  2. Step 2: Convert to fraction form
    8,842.14/13,255.47 = 3,573.90/x
  3. Step 3: Cross multiply
    8,842.14x = 13,255.47 × 3,573.90
  4. Step 4: Simplify right side
    8,842.14x = 47,373,724.23
  5. Step 5: Solve for x
    x = 47,373,724.23/8,842.14
  6. Step 6: Final answer
    x = 5,357.72

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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.