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Finding the Fourth Proportional to 8,801.60, 13,173.60 and 6,843.20

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Solution

The fourth proportional to 8,801.60, 13,173.60 and 6,843.20 is: 10,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.60 : 13,173.60 = 6,843.20 : x
  2. Step 2: Convert to fraction form
    8,801.60/13,173.60 = 6,843.20/x
  3. Step 3: Cross multiply
    8,801.60x = 13,173.60 × 6,843.20
  4. Step 4: Simplify right side
    8,801.60x = 90,149,579.52
  5. Step 5: Solve for x
    x = 90,149,579.52/8,801.60
  6. Step 6: Final answer
    x = 10,242.41

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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.