Home / 8,748.30-12,072.66-4,769.43

Finding the Fourth Proportional to 8,748.30, 12,072.66 and 4,769.43

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Solution

The fourth proportional to 8,748.30, 12,072.66 and 4,769.43 is: 6,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.30 : 12,072.66 = 4,769.43 : x
  2. Step 2: Convert to fraction form
    8,748.30/12,072.66 = 4,769.43/x
  3. Step 3: Cross multiply
    8,748.30x = 12,072.66 × 4,769.43
  4. Step 4: Simplify right side
    8,748.30x = 57,579,706.78
  5. Step 5: Solve for x
    x = 57,579,706.78/8,748.30
  6. Step 6: Final answer
    x = 6,581.82

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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.