Home / 5,178.56-7,764.84-3,537.09

Finding the Fourth Proportional to 5,178.56, 7,764.84 and 3,537.09

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Solution

The fourth proportional to 5,178.56, 7,764.84 and 3,537.09 is: 5,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.56 : 7,764.84 = 3,537.09 : x
  2. Step 2: Convert to fraction form
    5,178.56/7,764.84 = 3,537.09/x
  3. Step 3: Cross multiply
    5,178.56x = 7,764.84 × 3,537.09
  4. Step 4: Simplify right side
    5,178.56x = 27,464,937.92
  5. Step 5: Solve for x
    x = 27,464,937.92/5,178.56
  6. Step 6: Final answer
    x = 5,303.59

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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.