Home / 5,630.34-7,769.64-3,112.29

Finding the Fourth Proportional to 5,630.34, 7,769.64 and 3,112.29

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Solution

The fourth proportional to 5,630.34, 7,769.64 and 3,112.29 is: 4,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.34 : 7,769.64 = 3,112.29 : x
  2. Step 2: Convert to fraction form
    5,630.34/7,769.64 = 3,112.29/x
  3. Step 3: Cross multiply
    5,630.34x = 7,769.64 × 3,112.29
  4. Step 4: Simplify right side
    5,630.34x = 24,181,372.88
  5. Step 5: Solve for x
    x = 24,181,372.88/5,630.34
  6. Step 6: Final answer
    x = 4,294.83

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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.