Home / 7,769.34-11,649.90-4,062.48

Finding the Fourth Proportional to 7,769.34, 11,649.90 and 4,062.48

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Solution

The fourth proportional to 7,769.34, 11,649.90 and 4,062.48 is: 6,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.34 : 11,649.90 = 4,062.48 : x
  2. Step 2: Convert to fraction form
    7,769.34/11,649.90 = 4,062.48/x
  3. Step 3: Cross multiply
    7,769.34x = 11,649.90 × 4,062.48
  4. Step 4: Simplify right side
    7,769.34x = 47,327,485.75
  5. Step 5: Solve for x
    x = 47,327,485.75/7,769.34
  6. Step 6: Final answer
    x = 6,091.57

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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.