Home / 4,785.75-6,604.96-2,689.88

Finding the Fourth Proportional to 4,785.75, 6,604.96 and 2,689.88

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Solution

The fourth proportional to 4,785.75, 6,604.96 and 2,689.88 is: 3,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.75 : 6,604.96 = 2,689.88 : x
  2. Step 2: Convert to fraction form
    4,785.75/6,604.96 = 2,689.88/x
  3. Step 3: Cross multiply
    4,785.75x = 6,604.96 × 2,689.88
  4. Step 4: Simplify right side
    4,785.75x = 17,766,549.80
  5. Step 5: Solve for x
    x = 17,766,549.80/4,785.75
  6. Step 6: Final answer
    x = 3,712.39

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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.