Home / 5,019.76-6,926.61-2,781.53

Finding the Fourth Proportional to 5,019.76, 6,926.61 and 2,781.53

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Solution

The fourth proportional to 5,019.76, 6,926.61 and 2,781.53 is: 3,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.76 : 6,926.61 = 2,781.53 : x
  2. Step 2: Convert to fraction form
    5,019.76/6,926.61 = 2,781.53/x
  3. Step 3: Cross multiply
    5,019.76x = 6,926.61 × 2,781.53
  4. Step 4: Simplify right side
    5,019.76x = 19,266,538.88
  5. Step 5: Solve for x
    x = 19,266,538.88/5,019.76
  6. Step 6: Final answer
    x = 3,838.14

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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.