Home / 4,786.75-6,605.31-2,690.74

Finding the Fourth Proportional to 4,786.75, 6,605.31 and 2,690.74

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Solution

The fourth proportional to 4,786.75, 6,605.31 and 2,690.74 is: 3,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.75 : 6,605.31 = 2,690.74 : x
  2. Step 2: Convert to fraction form
    4,786.75/6,605.31 = 2,690.74/x
  3. Step 3: Cross multiply
    4,786.75x = 6,605.31 × 2,690.74
  4. Step 4: Simplify right side
    4,786.75x = 17,773,171.83
  5. Step 5: Solve for x
    x = 17,773,171.83/4,786.75
  6. Step 6: Final answer
    x = 3,712.99

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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.