Home / 5,288.21-7,933.53-1,778.69

Finding the Fourth Proportional to 5,288.21, 7,933.53 and 1,778.69

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Solution

The fourth proportional to 5,288.21, 7,933.53 and 1,778.69 is: 2,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.21 : 7,933.53 = 1,778.69 : x
  2. Step 2: Convert to fraction form
    5,288.21/7,933.53 = 1,778.69/x
  3. Step 3: Cross multiply
    5,288.21x = 7,933.53 × 1,778.69
  4. Step 4: Simplify right side
    5,288.21x = 14,111,250.81
  5. Step 5: Solve for x
    x = 14,111,250.81/5,288.21
  6. Step 6: Final answer
    x = 2,668.44

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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.