Home / 4,919.41-6,788.78-2,681.29

Finding the Fourth Proportional to 4,919.41, 6,788.78 and 2,681.29

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Solution

The fourth proportional to 4,919.41, 6,788.78 and 2,681.29 is: 3,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.41 : 6,788.78 = 2,681.29 : x
  2. Step 2: Convert to fraction form
    4,919.41/6,788.78 = 2,681.29/x
  3. Step 3: Cross multiply
    4,919.41x = 6,788.78 × 2,681.29
  4. Step 4: Simplify right side
    4,919.41x = 18,202,687.93
  5. Step 5: Solve for x
    x = 18,202,687.93/4,919.41
  6. Step 6: Final answer
    x = 3,700.18

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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.