Home / 7,475.11-11,211.66-3,091.96

Finding the Fourth Proportional to 7,475.11, 11,211.66 and 3,091.96

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Solution

The fourth proportional to 7,475.11, 11,211.66 and 3,091.96 is: 4,637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.11 : 11,211.66 = 3,091.96 : x
  2. Step 2: Convert to fraction form
    7,475.11/11,211.66 = 3,091.96/x
  3. Step 3: Cross multiply
    7,475.11x = 11,211.66 × 3,091.96
  4. Step 4: Simplify right side
    7,475.11x = 34,666,004.25
  5. Step 5: Solve for x
    x = 34,666,004.25/7,475.11
  6. Step 6: Final answer
    x = 4,637.52

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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.