Home / 8,801.12-13,199.34-3,869.66

Finding the Fourth Proportional to 8,801.12, 13,199.34 and 3,869.66

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Solution

The fourth proportional to 8,801.12, 13,199.34 and 3,869.66 is: 5,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.12 : 13,199.34 = 3,869.66 : x
  2. Step 2: Convert to fraction form
    8,801.12/13,199.34 = 3,869.66/x
  3. Step 3: Cross multiply
    8,801.12x = 13,199.34 × 3,869.66
  4. Step 4: Simplify right side
    8,801.12x = 51,076,958.02
  5. Step 5: Solve for x
    x = 51,076,958.02/8,801.12
  6. Step 6: Final answer
    x = 5,803.46

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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.