Home / 5,293.92-7,940.79-1,831.08

Finding the Fourth Proportional to 5,293.92, 7,940.79 and 1,831.08

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Solution

The fourth proportional to 5,293.92, 7,940.79 and 1,831.08 is: 2,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.92 : 7,940.79 = 1,831.08 : x
  2. Step 2: Convert to fraction form
    5,293.92/7,940.79 = 1,831.08/x
  3. Step 3: Cross multiply
    5,293.92x = 7,940.79 × 1,831.08
  4. Step 4: Simplify right side
    5,293.92x = 14,540,221.75
  5. Step 5: Solve for x
    x = 14,540,221.75/5,293.92
  6. Step 6: Final answer
    x = 2,746.59

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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.