Home / 4,786.20-6,604.92-2,690.28

Finding the Fourth Proportional to 4,786.20, 6,604.92 and 2,690.28

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Solution

The fourth proportional to 4,786.20, 6,604.92 and 2,690.28 is: 3,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.20 : 6,604.92 = 2,690.28 : x
  2. Step 2: Convert to fraction form
    4,786.20/6,604.92 = 2,690.28/x
  3. Step 3: Cross multiply
    4,786.20x = 6,604.92 × 2,690.28
  4. Step 4: Simplify right side
    4,786.20x = 17,769,084.18
  5. Step 5: Solve for x
    x = 17,769,084.18/4,786.20
  6. Step 6: Final answer
    x = 3,712.57

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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.