Home / 5,305.20-7,946.87-3,107.27

Finding the Fourth Proportional to 5,305.20, 7,946.87 and 3,107.27

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Solution

The fourth proportional to 5,305.20, 7,946.87 and 3,107.27 is: 4,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.20 : 7,946.87 = 3,107.27 : x
  2. Step 2: Convert to fraction form
    5,305.20/7,946.87 = 3,107.27/x
  3. Step 3: Cross multiply
    5,305.20x = 7,946.87 × 3,107.27
  4. Step 4: Simplify right side
    5,305.20x = 24,693,015.47
  5. Step 5: Solve for x
    x = 24,693,015.47/5,305.20
  6. Step 6: Final answer
    x = 4,654.49

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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.