Home / 5,231.81-7,848.39-1,944.47

Finding the Fourth Proportional to 5,231.81, 7,848.39 and 1,944.47

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Solution

The fourth proportional to 5,231.81, 7,848.39 and 1,944.47 is: 2,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.81 : 7,848.39 = 1,944.47 : x
  2. Step 2: Convert to fraction form
    5,231.81/7,848.39 = 1,944.47/x
  3. Step 3: Cross multiply
    5,231.81x = 7,848.39 × 1,944.47
  4. Step 4: Simplify right side
    5,231.81x = 15,260,919.66
  5. Step 5: Solve for x
    x = 15,260,919.66/5,231.81
  6. Step 6: Final answer
    x = 2,916.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.