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Finding the Fourth Proportional to 8,841.77, 13,259.85 and 2,917.56

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Solution

The fourth proportional to 8,841.77, 13,259.85 and 2,917.56 is: 4,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.77 : 13,259.85 = 2,917.56 : x
  2. Step 2: Convert to fraction form
    8,841.77/13,259.85 = 2,917.56/x
  3. Step 3: Cross multiply
    8,841.77x = 13,259.85 × 2,917.56
  4. Step 4: Simplify right side
    8,841.77x = 38,686,352.77
  5. Step 5: Solve for x
    x = 38,686,352.77/8,841.77
  6. Step 6: Final answer
    x = 4,375.41

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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.