Home / 8,214.83-12,322.07-2,291.56

Finding the Fourth Proportional to 8,214.83, 12,322.07 and 2,291.56

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Solution

The fourth proportional to 8,214.83, 12,322.07 and 2,291.56 is: 3,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.83 : 12,322.07 = 2,291.56 : x
  2. Step 2: Convert to fraction form
    8,214.83/12,322.07 = 2,291.56/x
  3. Step 3: Cross multiply
    8,214.83x = 12,322.07 × 2,291.56
  4. Step 4: Simplify right side
    8,214.83x = 28,236,720.47
  5. Step 5: Solve for x
    x = 28,236,720.47/8,214.83
  6. Step 6: Final answer
    x = 3,437.29

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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.