Home / 7,489.66-11,235.82-2,558.15

Finding the Fourth Proportional to 7,489.66, 11,235.82 and 2,558.15

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Solution

The fourth proportional to 7,489.66, 11,235.82 and 2,558.15 is: 3,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.66 : 11,235.82 = 2,558.15 : x
  2. Step 2: Convert to fraction form
    7,489.66/11,235.82 = 2,558.15/x
  3. Step 3: Cross multiply
    7,489.66x = 11,235.82 × 2,558.15
  4. Step 4: Simplify right side
    7,489.66x = 28,742,912.93
  5. Step 5: Solve for x
    x = 28,742,912.93/7,489.66
  6. Step 6: Final answer
    x = 3,837.68

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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.