Home / 5,288.22-7,933.24-1,778.57

Finding the Fourth Proportional to 5,288.22, 7,933.24 and 1,778.57

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Solution

The fourth proportional to 5,288.22, 7,933.24 and 1,778.57 is: 2,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.22 : 7,933.24 = 1,778.57 : x
  2. Step 2: Convert to fraction form
    5,288.22/7,933.24 = 1,778.57/x
  3. Step 3: Cross multiply
    5,288.22x = 7,933.24 × 1,778.57
  4. Step 4: Simplify right side
    5,288.22x = 14,109,822.67
  5. Step 5: Solve for x
    x = 14,109,822.67/5,288.22
  6. Step 6: Final answer
    x = 2,668.16

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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.