Home / 5,261.84-7,261.26-2,903.96

Finding the Fourth Proportional to 5,261.84, 7,261.26 and 2,903.96

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Solution

The fourth proportional to 5,261.84, 7,261.26 and 2,903.96 is: 4,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.84 : 7,261.26 = 2,903.96 : x
  2. Step 2: Convert to fraction form
    5,261.84/7,261.26 = 2,903.96/x
  3. Step 3: Cross multiply
    5,261.84x = 7,261.26 × 2,903.96
  4. Step 4: Simplify right side
    5,261.84x = 21,086,408.59
  5. Step 5: Solve for x
    x = 21,086,408.59/5,261.84
  6. Step 6: Final answer
    x = 4,007.42

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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.