Home / 5,288.21-7,933.19-1,778.53

Finding the Fourth Proportional to 5,288.21, 7,933.19 and 1,778.53

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Solution

The fourth proportional to 5,288.21, 7,933.19 and 1,778.53 is: 2,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.21 : 7,933.19 = 1,778.53 : x
  2. Step 2: Convert to fraction form
    5,288.21/7,933.19 = 1,778.53/x
  3. Step 3: Cross multiply
    5,288.21x = 7,933.19 × 1,778.53
  4. Step 4: Simplify right side
    5,288.21x = 14,109,434.88
  5. Step 5: Solve for x
    x = 14,109,434.88/5,288.21
  6. Step 6: Final answer
    x = 2,668.09

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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.