Home / 5,019.44-6,926.60-2,781.32

Finding the Fourth Proportional to 5,019.44, 6,926.60 and 2,781.32

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Solution

The fourth proportional to 5,019.44, 6,926.60 and 2,781.32 is: 3,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.44 : 6,926.60 = 2,781.32 : x
  2. Step 2: Convert to fraction form
    5,019.44/6,926.60 = 2,781.32/x
  3. Step 3: Cross multiply
    5,019.44x = 6,926.60 × 2,781.32
  4. Step 4: Simplify right side
    5,019.44x = 19,265,091.11
  5. Step 5: Solve for x
    x = 19,265,091.11/5,019.44
  6. Step 6: Final answer
    x = 3,838.10

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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.