Home / 4,843.11-7,265.89-1,380.36

Finding the Fourth Proportional to 4,843.11, 7,265.89 and 1,380.36

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Solution

The fourth proportional to 4,843.11, 7,265.89 and 1,380.36 is: 2,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.11 : 7,265.89 = 1,380.36 : x
  2. Step 2: Convert to fraction form
    4,843.11/7,265.89 = 1,380.36/x
  3. Step 3: Cross multiply
    4,843.11x = 7,265.89 × 1,380.36
  4. Step 4: Simplify right side
    4,843.11x = 10,029,570.30
  5. Step 5: Solve for x
    x = 10,029,570.30/4,843.11
  6. Step 6: Final answer
    x = 2,070.89

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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.