Home / 7,564.89-11,334.78-2,631.86

Finding the Fourth Proportional to 7,564.89, 11,334.78 and 2,631.86

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Solution

The fourth proportional to 7,564.89, 11,334.78 and 2,631.86 is: 3,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.89 : 11,334.78 = 2,631.86 : x
  2. Step 2: Convert to fraction form
    7,564.89/11,334.78 = 2,631.86/x
  3. Step 3: Cross multiply
    7,564.89x = 11,334.78 × 2,631.86
  4. Step 4: Simplify right side
    7,564.89x = 29,831,497.42
  5. Step 5: Solve for x
    x = 29,831,497.42/7,564.89
  6. Step 6: Final answer
    x = 3,943.41

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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.