Home / 7,181.70-9,911.22-4,787.52

Finding the Fourth Proportional to 7,181.70, 9,911.22 and 4,787.52

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Solution

The fourth proportional to 7,181.70, 9,911.22 and 4,787.52 is: 6,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.70 : 9,911.22 = 4,787.52 : x
  2. Step 2: Convert to fraction form
    7,181.70/9,911.22 = 4,787.52/x
  3. Step 3: Cross multiply
    7,181.70x = 9,911.22 × 4,787.52
  4. Step 4: Simplify right side
    7,181.70x = 47,450,163.97
  5. Step 5: Solve for x
    x = 47,450,163.97/7,181.70
  6. Step 6: Final answer
    x = 6,607.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.