Home / 4,612.77-6,366.32-2,821.29

Finding the Fourth Proportional to 4,612.77, 6,366.32 and 2,821.29

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Solution

The fourth proportional to 4,612.77, 6,366.32 and 2,821.29 is: 3,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.77 : 6,366.32 = 2,821.29 : x
  2. Step 2: Convert to fraction form
    4,612.77/6,366.32 = 2,821.29/x
  3. Step 3: Cross multiply
    4,612.77x = 6,366.32 × 2,821.29
  4. Step 4: Simplify right side
    4,612.77x = 17,961,234.95
  5. Step 5: Solve for x
    x = 17,961,234.95/4,612.77
  6. Step 6: Final answer
    x = 3,893.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.