Home / 4,847.80-6,689.32-2,694.32

Finding the Fourth Proportional to 4,847.80, 6,689.32 and 2,694.32

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Solution

The fourth proportional to 4,847.80, 6,689.32 and 2,694.32 is: 3,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.80 : 6,689.32 = 2,694.32 : x
  2. Step 2: Convert to fraction form
    4,847.80/6,689.32 = 2,694.32/x
  3. Step 3: Cross multiply
    4,847.80x = 6,689.32 × 2,694.32
  4. Step 4: Simplify right side
    4,847.80x = 18,023,168.66
  5. Step 5: Solve for x
    x = 18,023,168.66/4,847.80
  6. Step 6: Final answer
    x = 3,717.80

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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.