Home / 7,769.11-11,644.41-4,475.38

Finding the Fourth Proportional to 7,769.11, 11,644.41 and 4,475.38

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Solution

The fourth proportional to 7,769.11, 11,644.41 and 4,475.38 is: 6,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.11 : 11,644.41 = 4,475.38 : x
  2. Step 2: Convert to fraction form
    7,769.11/11,644.41 = 4,475.38/x
  3. Step 3: Cross multiply
    7,769.11x = 11,644.41 × 4,475.38
  4. Step 4: Simplify right side
    7,769.11x = 52,113,159.63
  5. Step 5: Solve for x
    x = 52,113,159.63/7,769.11
  6. Step 6: Final answer
    x = 6,707.74

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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.