Home / 4,845.83-7,272.99-3,878.28

Finding the Fourth Proportional to 4,845.83, 7,272.99 and 3,878.28

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Solution

The fourth proportional to 4,845.83, 7,272.99 and 3,878.28 is: 5,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.83 : 7,272.99 = 3,878.28 : x
  2. Step 2: Convert to fraction form
    4,845.83/7,272.99 = 3,878.28/x
  3. Step 3: Cross multiply
    4,845.83x = 7,272.99 × 3,878.28
  4. Step 4: Simplify right side
    4,845.83x = 28,206,691.66
  5. Step 5: Solve for x
    x = 28,206,691.66/4,845.83
  6. Step 6: Final answer
    x = 5,820.82

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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.