Home / 5,272.37-7,905.95-1,761.17

Finding the Fourth Proportional to 5,272.37, 7,905.95 and 1,761.17

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Solution

The fourth proportional to 5,272.37, 7,905.95 and 1,761.17 is: 2,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.37 : 7,905.95 = 1,761.17 : x
  2. Step 2: Convert to fraction form
    5,272.37/7,905.95 = 1,761.17/x
  3. Step 3: Cross multiply
    5,272.37x = 7,905.95 × 1,761.17
  4. Step 4: Simplify right side
    5,272.37x = 13,923,673.63
  5. Step 5: Solve for x
    x = 13,923,673.63/5,272.37
  6. Step 6: Final answer
    x = 2,640.88

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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.