Home / 8,214.19-12,321.34-3,020.07

Finding the Fourth Proportional to 8,214.19, 12,321.34 and 3,020.07

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Solution

The fourth proportional to 8,214.19, 12,321.34 and 3,020.07 is: 4,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.19 : 12,321.34 = 3,020.07 : x
  2. Step 2: Convert to fraction form
    8,214.19/12,321.34 = 3,020.07/x
  3. Step 3: Cross multiply
    8,214.19x = 12,321.34 × 3,020.07
  4. Step 4: Simplify right side
    8,214.19x = 37,211,309.29
  5. Step 5: Solve for x
    x = 37,211,309.29/8,214.19
  6. Step 6: Final answer
    x = 4,530.13

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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.