Home / 4,279.53-6,418.79-1,159.34

Finding the Fourth Proportional to 4,279.53, 6,418.79 and 1,159.34

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Solution

The fourth proportional to 4,279.53, 6,418.79 and 1,159.34 is: 1,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.53 : 6,418.79 = 1,159.34 : x
  2. Step 2: Convert to fraction form
    4,279.53/6,418.79 = 1,159.34/x
  3. Step 3: Cross multiply
    4,279.53x = 6,418.79 × 1,159.34
  4. Step 4: Simplify right side
    4,279.53x = 7,441,559.30
  5. Step 5: Solve for x
    x = 7,441,559.30/4,279.53
  6. Step 6: Final answer
    x = 1,738.87

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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.