Home / 8,261.43-12,392.08-2,021.53

Finding the Fourth Proportional to 8,261.43, 12,392.08 and 2,021.53

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Solution

The fourth proportional to 8,261.43, 12,392.08 and 2,021.53 is: 3,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.43 : 12,392.08 = 2,021.53 : x
  2. Step 2: Convert to fraction form
    8,261.43/12,392.08 = 2,021.53/x
  3. Step 3: Cross multiply
    8,261.43x = 12,392.08 × 2,021.53
  4. Step 4: Simplify right side
    8,261.43x = 25,050,936.94
  5. Step 5: Solve for x
    x = 25,050,936.94/8,261.43
  6. Step 6: Final answer
    x = 3,032.28

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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.