Home / 5,254.25-7,881.38-3,605.79

Finding the Fourth Proportional to 5,254.25, 7,881.38 and 3,605.79

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Solution

The fourth proportional to 5,254.25, 7,881.38 and 3,605.79 is: 5,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.25 : 7,881.38 = 3,605.79 : x
  2. Step 2: Convert to fraction form
    5,254.25/7,881.38 = 3,605.79/x
  3. Step 3: Cross multiply
    5,254.25x = 7,881.38 × 3,605.79
  4. Step 4: Simplify right side
    5,254.25x = 28,418,626.24
  5. Step 5: Solve for x
    x = 28,418,626.24/5,254.25
  6. Step 6: Final answer
    x = 5,408.70

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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.