Home / 8,042.90-12,056.79-4,146.26

Finding the Fourth Proportional to 8,042.90, 12,056.79 and 4,146.26

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Solution

The fourth proportional to 8,042.90, 12,056.79 and 4,146.26 is: 6,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.90 : 12,056.79 = 4,146.26 : x
  2. Step 2: Convert to fraction form
    8,042.90/12,056.79 = 4,146.26/x
  3. Step 3: Cross multiply
    8,042.90x = 12,056.79 × 4,146.26
  4. Step 4: Simplify right side
    8,042.90x = 49,990,586.11
  5. Step 5: Solve for x
    x = 49,990,586.11/8,042.90
  6. Step 6: Final answer
    x = 6,215.49

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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.