Home / 4,919.42-6,788.77-2,681.33

Finding the Fourth Proportional to 4,919.42, 6,788.77 and 2,681.33

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Solution

The fourth proportional to 4,919.42, 6,788.77 and 2,681.33 is: 3,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.42 : 6,788.77 = 2,681.33 : x
  2. Step 2: Convert to fraction form
    4,919.42/6,788.77 = 2,681.33/x
  3. Step 3: Cross multiply
    4,919.42x = 6,788.77 × 2,681.33
  4. Step 4: Simplify right side
    4,919.42x = 18,202,942.93
  5. Step 5: Solve for x
    x = 18,202,942.93/4,919.42
  6. Step 6: Final answer
    x = 3,700.22

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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.