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Finding the Fourth Proportional to 4,593.57, 6,891.39 and 1,671.90

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Solution

The fourth proportional to 4,593.57, 6,891.39 and 1,671.90 is: 2,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,593.57 : 6,891.39 = 1,671.90 : x
  2. Step 2: Convert to fraction form
    4,593.57/6,891.39 = 1,671.90/x
  3. Step 3: Cross multiply
    4,593.57x = 6,891.39 × 1,671.90
  4. Step 4: Simplify right side
    4,593.57x = 11,521,714.94
  5. Step 5: Solve for x
    x = 11,521,714.94/4,593.57
  6. Step 6: Final answer
    x = 2,508.23

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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.