Home / 7,747.74-11,615.06-3,361.90

Finding the Fourth Proportional to 7,747.74, 11,615.06 and 3,361.90

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Solution

The fourth proportional to 7,747.74, 11,615.06 and 3,361.90 is: 5,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.74 : 11,615.06 = 3,361.90 : x
  2. Step 2: Convert to fraction form
    7,747.74/11,615.06 = 3,361.90/x
  3. Step 3: Cross multiply
    7,747.74x = 11,615.06 × 3,361.90
  4. Step 4: Simplify right side
    7,747.74x = 39,048,670.21
  5. Step 5: Solve for x
    x = 39,048,670.21/7,747.74
  6. Step 6: Final answer
    x = 5,040.01

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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.