Home / 8,748.11-12,072.51-4,769.21

Finding the Fourth Proportional to 8,748.11, 12,072.51 and 4,769.21

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Solution

The fourth proportional to 8,748.11, 12,072.51 and 4,769.21 is: 6,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.11 : 12,072.51 = 4,769.21 : x
  2. Step 2: Convert to fraction form
    8,748.11/12,072.51 = 4,769.21/x
  3. Step 3: Cross multiply
    8,748.11x = 12,072.51 × 4,769.21
  4. Step 4: Simplify right side
    8,748.11x = 57,576,365.60
  5. Step 5: Solve for x
    x = 57,576,365.60/8,748.11
  6. Step 6: Final answer
    x = 6,581.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.