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Finding the Fourth Proportional to 8,799.55, 13,201.40 and 2,559.70

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Solution

The fourth proportional to 8,799.55, 13,201.40 and 2,559.70 is: 3,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.55 : 13,201.40 = 2,559.70 : x
  2. Step 2: Convert to fraction form
    8,799.55/13,201.40 = 2,559.70/x
  3. Step 3: Cross multiply
    8,799.55x = 13,201.40 × 2,559.70
  4. Step 4: Simplify right side
    8,799.55x = 33,791,610.78
  5. Step 5: Solve for x
    x = 33,791,610.78/8,799.55
  6. Step 6: Final answer
    x = 3,840.15

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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.