Home / 5,228.25-7,831.76-2,451.03

Finding the Fourth Proportional to 5,228.25, 7,831.76 and 2,451.03

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Solution

The fourth proportional to 5,228.25, 7,831.76 and 2,451.03 is: 3,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.25 : 7,831.76 = 2,451.03 : x
  2. Step 2: Convert to fraction form
    5,228.25/7,831.76 = 2,451.03/x
  3. Step 3: Cross multiply
    5,228.25x = 7,831.76 × 2,451.03
  4. Step 4: Simplify right side
    5,228.25x = 19,195,866.46
  5. Step 5: Solve for x
    x = 19,195,866.46/5,228.25
  6. Step 6: Final answer
    x = 3,671.57

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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.