Home / 8,445.07-12,669.42-2,522.43

Finding the Fourth Proportional to 8,445.07, 12,669.42 and 2,522.43

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Solution

The fourth proportional to 8,445.07, 12,669.42 and 2,522.43 is: 3,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.07 : 12,669.42 = 2,522.43 : x
  2. Step 2: Convert to fraction form
    8,445.07/12,669.42 = 2,522.43/x
  3. Step 3: Cross multiply
    8,445.07x = 12,669.42 × 2,522.43
  4. Step 4: Simplify right side
    8,445.07x = 31,957,661.74
  5. Step 5: Solve for x
    x = 31,957,661.74/8,445.07
  6. Step 6: Final answer
    x = 3,784.18

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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.