Home / 5,019.13-6,925.79-2,781.03

Finding the Fourth Proportional to 5,019.13, 6,925.79 and 2,781.03

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Solution

The fourth proportional to 5,019.13, 6,925.79 and 2,781.03 is: 3,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.13 : 6,925.79 = 2,781.03 : x
  2. Step 2: Convert to fraction form
    5,019.13/6,925.79 = 2,781.03/x
  3. Step 3: Cross multiply
    5,019.13x = 6,925.79 × 2,781.03
  4. Step 4: Simplify right side
    5,019.13x = 19,260,836.72
  5. Step 5: Solve for x
    x = 19,260,836.72/5,019.13
  6. Step 6: Final answer
    x = 3,837.49

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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.