Home / 4,786.76-6,605.82-2,690.88

Finding the Fourth Proportional to 4,786.76, 6,605.82 and 2,690.88

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Solution

The fourth proportional to 4,786.76, 6,605.82 and 2,690.88 is: 3,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.76 : 6,605.82 = 2,690.88 : x
  2. Step 2: Convert to fraction form
    4,786.76/6,605.82 = 2,690.88/x
  3. Step 3: Cross multiply
    4,786.76x = 6,605.82 × 2,690.88
  4. Step 4: Simplify right side
    4,786.76x = 17,775,468.92
  5. Step 5: Solve for x
    x = 17,775,468.92/4,786.76
  6. Step 6: Final answer
    x = 3,713.47

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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.