Home / 4,279.93-6,419.53-1,682.86

Finding the Fourth Proportional to 4,279.93, 6,419.53 and 1,682.86

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Solution

The fourth proportional to 4,279.93, 6,419.53 and 1,682.86 is: 2,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.93 : 6,419.53 = 1,682.86 : x
  2. Step 2: Convert to fraction form
    4,279.93/6,419.53 = 1,682.86/x
  3. Step 3: Cross multiply
    4,279.93x = 6,419.53 × 1,682.86
  4. Step 4: Simplify right side
    4,279.93x = 10,803,170.26
  5. Step 5: Solve for x
    x = 10,803,170.26/4,279.93
  6. Step 6: Final answer
    x = 2,524.15

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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.