Home / 7,911.53-11,867.49-3,750.56

Finding the Fourth Proportional to 7,911.53, 11,867.49 and 3,750.56

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Solution

The fourth proportional to 7,911.53, 11,867.49 and 3,750.56 is: 5,625.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.53 : 11,867.49 = 3,750.56 : x
  2. Step 2: Convert to fraction form
    7,911.53/11,867.49 = 3,750.56/x
  3. Step 3: Cross multiply
    7,911.53x = 11,867.49 × 3,750.56
  4. Step 4: Simplify right side
    7,911.53x = 44,509,673.96
  5. Step 5: Solve for x
    x = 44,509,673.96/7,911.53
  6. Step 6: Final answer
    x = 5,625.93

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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.