Home / 8,097.19-12,146.90-2,831.42

Finding the Fourth Proportional to 8,097.19, 12,146.90 and 2,831.42

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Solution

The fourth proportional to 8,097.19, 12,146.90 and 2,831.42 is: 4,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,097.19 : 12,146.90 = 2,831.42 : x
  2. Step 2: Convert to fraction form
    8,097.19/12,146.90 = 2,831.42/x
  3. Step 3: Cross multiply
    8,097.19x = 12,146.90 × 2,831.42
  4. Step 4: Simplify right side
    8,097.19x = 34,392,991.81
  5. Step 5: Solve for x
    x = 34,392,991.81/8,097.19
  6. Step 6: Final answer
    x = 4,247.52

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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.