Home / 4,919.49-6,788.97-2,681.42

Finding the Fourth Proportional to 4,919.49, 6,788.97 and 2,681.42

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Solution

The fourth proportional to 4,919.49, 6,788.97 and 2,681.42 is: 3,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.49 : 6,788.97 = 2,681.42 : x
  2. Step 2: Convert to fraction form
    4,919.49/6,788.97 = 2,681.42/x
  3. Step 3: Cross multiply
    4,919.49x = 6,788.97 × 2,681.42
  4. Step 4: Simplify right side
    4,919.49x = 18,204,045.99
  5. Step 5: Solve for x
    x = 18,204,045.99/4,919.49
  6. Step 6: Final answer
    x = 3,700.39

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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.