Home / 4,879.30-7,310.55-2,276.90

Finding the Fourth Proportional to 4,879.30, 7,310.55 and 2,276.90

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Solution

The fourth proportional to 4,879.30, 7,310.55 and 2,276.90 is: 3,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.30 : 7,310.55 = 2,276.90 : x
  2. Step 2: Convert to fraction form
    4,879.30/7,310.55 = 2,276.90/x
  3. Step 3: Cross multiply
    4,879.30x = 7,310.55 × 2,276.90
  4. Step 4: Simplify right side
    4,879.30x = 16,645,391.30
  5. Step 5: Solve for x
    x = 16,645,391.30/4,879.30
  6. Step 6: Final answer
    x = 3,411.43

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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.