Home / 8,748.05-13,122.02-3,201.78

Finding the Fourth Proportional to 8,748.05, 13,122.02 and 3,201.78

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Solution

The fourth proportional to 8,748.05, 13,122.02 and 3,201.78 is: 4,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.05 : 13,122.02 = 3,201.78 : x
  2. Step 2: Convert to fraction form
    8,748.05/13,122.02 = 3,201.78/x
  3. Step 3: Cross multiply
    8,748.05x = 13,122.02 × 3,201.78
  4. Step 4: Simplify right side
    8,748.05x = 42,013,747.58
  5. Step 5: Solve for x
    x = 42,013,747.58/8,748.05
  6. Step 6: Final answer
    x = 4,802.64

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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.