Home / 4,894.53-7,341.82-1,431.78

Finding the Fourth Proportional to 4,894.53, 7,341.82 and 1,431.78

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Solution

The fourth proportional to 4,894.53, 7,341.82 and 1,431.78 is: 2,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.53 : 7,341.82 = 1,431.78 : x
  2. Step 2: Convert to fraction form
    4,894.53/7,341.82 = 1,431.78/x
  3. Step 3: Cross multiply
    4,894.53x = 7,341.82 × 1,431.78
  4. Step 4: Simplify right side
    4,894.53x = 10,511,863.88
  5. Step 5: Solve for x
    x = 10,511,863.88/4,894.53
  6. Step 6: Final answer
    x = 2,147.68

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1.5x scale

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.