Home / 7,764.53-11,645.60-4,256.28

Finding the Fourth Proportional to 7,764.53, 11,645.60 and 4,256.28

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Solution

The fourth proportional to 7,764.53, 11,645.60 and 4,256.28 is: 6,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.53 : 11,645.60 = 4,256.28 : x
  2. Step 2: Convert to fraction form
    7,764.53/11,645.60 = 4,256.28/x
  3. Step 3: Cross multiply
    7,764.53x = 11,645.60 × 4,256.28
  4. Step 4: Simplify right side
    7,764.53x = 49,566,927.43
  5. Step 5: Solve for x
    x = 49,566,927.43/7,764.53
  6. Step 6: Final answer
    x = 6,383.76

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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.