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Finding the Fourth Proportional to 8,808.85, 13,201.93 and 3,877.21

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Solution

The fourth proportional to 8,808.85, 13,201.93 and 3,877.21 is: 5,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.85 : 13,201.93 = 3,877.21 : x
  2. Step 2: Convert to fraction form
    8,808.85/13,201.93 = 3,877.21/x
  3. Step 3: Cross multiply
    8,808.85x = 13,201.93 × 3,877.21
  4. Step 4: Simplify right side
    8,808.85x = 51,186,655.02
  5. Step 5: Solve for x
    x = 51,186,655.02/8,808.85
  6. Step 6: Final answer
    x = 5,810.82

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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.