Home / 4,871.25-7,306.92-1,408.53

Finding the Fourth Proportional to 4,871.25, 7,306.92 and 1,408.53

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Solution

The fourth proportional to 4,871.25, 7,306.92 and 1,408.53 is: 2,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.25 : 7,306.92 = 1,408.53 : x
  2. Step 2: Convert to fraction form
    4,871.25/7,306.92 = 1,408.53/x
  3. Step 3: Cross multiply
    4,871.25x = 7,306.92 × 1,408.53
  4. Step 4: Simplify right side
    4,871.25x = 10,292,008.98
  5. Step 5: Solve for x
    x = 10,292,008.98/4,871.25
  6. Step 6: Final answer
    x = 2,112.81

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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.