Home / 8,214.09-12,321.35-2,370.75

Finding the Fourth Proportional to 8,214.09, 12,321.35 and 2,370.75

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Solution

The fourth proportional to 8,214.09, 12,321.35 and 2,370.75 is: 3,556.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.09 : 12,321.35 = 2,370.75 : x
  2. Step 2: Convert to fraction form
    8,214.09/12,321.35 = 2,370.75/x
  3. Step 3: Cross multiply
    8,214.09x = 12,321.35 × 2,370.75
  4. Step 4: Simplify right side
    8,214.09x = 29,210,828.66
  5. Step 5: Solve for x
    x = 29,210,828.66/8,214.09
  6. Step 6: Final answer
    x = 3,556.19

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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.