Home / 7,840.70-11,761.05-2,293.82

Finding the Fourth Proportional to 7,840.70, 11,761.05 and 2,293.82

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Solution

The fourth proportional to 7,840.70, 11,761.05 and 2,293.82 is: 3,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.70 : 11,761.05 = 2,293.82 : x
  2. Step 2: Convert to fraction form
    7,840.70/11,761.05 = 2,293.82/x
  3. Step 3: Cross multiply
    7,840.70x = 11,761.05 × 2,293.82
  4. Step 4: Simplify right side
    7,840.70x = 26,977,731.71
  5. Step 5: Solve for x
    x = 26,977,731.71/7,840.70
  6. Step 6: Final answer
    x = 3,440.73

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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.