Home / 4,786.38-6,605.83-2,690.91

Finding the Fourth Proportional to 4,786.38, 6,605.83 and 2,690.91

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Solution

The fourth proportional to 4,786.38, 6,605.83 and 2,690.91 is: 3,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.38 : 6,605.83 = 2,690.91 : x
  2. Step 2: Convert to fraction form
    4,786.38/6,605.83 = 2,690.91/x
  3. Step 3: Cross multiply
    4,786.38x = 6,605.83 × 2,690.91
  4. Step 4: Simplify right side
    4,786.38x = 17,775,680.55
  5. Step 5: Solve for x
    x = 17,775,680.55/4,786.38
  6. Step 6: Final answer
    x = 3,713.80

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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.