Home / 5,019.64-6,927.49-2,781.73

Finding the Fourth Proportional to 5,019.64, 6,927.49 and 2,781.73

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Solution

The fourth proportional to 5,019.64, 6,927.49 and 2,781.73 is: 3,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.64 : 6,927.49 = 2,781.73 : x
  2. Step 2: Convert to fraction form
    5,019.64/6,927.49 = 2,781.73/x
  3. Step 3: Cross multiply
    5,019.64x = 6,927.49 × 2,781.73
  4. Step 4: Simplify right side
    5,019.64x = 19,270,372.12
  5. Step 5: Solve for x
    x = 19,270,372.12/5,019.64
  6. Step 6: Final answer
    x = 3,839.00

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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.