Home / 4,261.76-6,390.08-1,761.02

Finding the Fourth Proportional to 4,261.76, 6,390.08 and 1,761.02

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Solution

The fourth proportional to 4,261.76, 6,390.08 and 1,761.02 is: 2,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.76 : 6,390.08 = 1,761.02 : x
  2. Step 2: Convert to fraction form
    4,261.76/6,390.08 = 1,761.02/x
  3. Step 3: Cross multiply
    4,261.76x = 6,390.08 × 1,761.02
  4. Step 4: Simplify right side
    4,261.76x = 11,253,058.68
  5. Step 5: Solve for x
    x = 11,253,058.68/4,261.76
  6. Step 6: Final answer
    x = 2,640.47

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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.