Home / 5,056.73-6,978.25-2,818.47

Finding the Fourth Proportional to 5,056.73, 6,978.25 and 2,818.47

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Solution

The fourth proportional to 5,056.73, 6,978.25 and 2,818.47 is: 3,889.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.73 : 6,978.25 = 2,818.47 : x
  2. Step 2: Convert to fraction form
    5,056.73/6,978.25 = 2,818.47/x
  3. Step 3: Cross multiply
    5,056.73x = 6,978.25 × 2,818.47
  4. Step 4: Simplify right side
    5,056.73x = 19,667,988.28
  5. Step 5: Solve for x
    x = 19,667,988.28/5,056.73
  6. Step 6: Final answer
    x = 3,889.47

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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.