Home / 8,018.60-12,035.40-4,072.68

Finding the Fourth Proportional to 8,018.60, 12,035.40 and 4,072.68

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Solution

The fourth proportional to 8,018.60, 12,035.40 and 4,072.68 is: 6,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.60 : 12,035.40 = 4,072.68 : x
  2. Step 2: Convert to fraction form
    8,018.60/12,035.40 = 4,072.68/x
  3. Step 3: Cross multiply
    8,018.60x = 12,035.40 × 4,072.68
  4. Step 4: Simplify right side
    8,018.60x = 49,016,332.87
  5. Step 5: Solve for x
    x = 49,016,332.87/8,018.60
  6. Step 6: Final answer
    x = 6,112.83

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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.