Home / 5,019.46-6,926.78-2,781.33

Finding the Fourth Proportional to 5,019.46, 6,926.78 and 2,781.33

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Solution

The fourth proportional to 5,019.46, 6,926.78 and 2,781.33 is: 3,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.46 : 6,926.78 = 2,781.33 : x
  2. Step 2: Convert to fraction form
    5,019.46/6,926.78 = 2,781.33/x
  3. Step 3: Cross multiply
    5,019.46x = 6,926.78 × 2,781.33
  4. Step 4: Simplify right side
    5,019.46x = 19,265,661.02
  5. Step 5: Solve for x
    x = 19,265,661.02/5,019.46
  6. Step 6: Final answer
    x = 3,838.19

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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.