Home / 7,894.21-11,841.20-2,272.02

Finding the Fourth Proportional to 7,894.21, 11,841.20 and 2,272.02

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Solution

The fourth proportional to 7,894.21, 11,841.20 and 2,272.02 is: 3,407.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.21 : 11,841.20 = 2,272.02 : x
  2. Step 2: Convert to fraction form
    7,894.21/11,841.20 = 2,272.02/x
  3. Step 3: Cross multiply
    7,894.21x = 11,841.20 × 2,272.02
  4. Step 4: Simplify right side
    7,894.21x = 26,903,408.76
  5. Step 5: Solve for x
    x = 26,903,408.76/7,894.21
  6. Step 6: Final answer
    x = 3,407.99

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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.