Home / 4,120.26-6,175.68-1,486.56

Finding the Fourth Proportional to 4,120.26, 6,175.68 and 1,486.56

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Solution

The fourth proportional to 4,120.26, 6,175.68 and 1,486.56 is: 2,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.26 : 6,175.68 = 1,486.56 : x
  2. Step 2: Convert to fraction form
    4,120.26/6,175.68 = 1,486.56/x
  3. Step 3: Cross multiply
    4,120.26x = 6,175.68 × 1,486.56
  4. Step 4: Simplify right side
    4,120.26x = 9,180,518.86
  5. Step 5: Solve for x
    x = 9,180,518.86/4,120.26
  6. Step 6: Final answer
    x = 2,228.14

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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.