Home / 5,164.61-7,730.44-4,112.79

Finding the Fourth Proportional to 5,164.61, 7,730.44 and 4,112.79

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Solution

The fourth proportional to 5,164.61, 7,730.44 and 4,112.79 is: 6,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.61 : 7,730.44 = 4,112.79 : x
  2. Step 2: Convert to fraction form
    5,164.61/7,730.44 = 4,112.79/x
  3. Step 3: Cross multiply
    5,164.61x = 7,730.44 × 4,112.79
  4. Step 4: Simplify right side
    5,164.61x = 31,793,680.54
  5. Step 5: Solve for x
    x = 31,793,680.54/5,164.61
  6. Step 6: Final answer
    x = 6,156.07

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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.