Home / 4,108.45-5,672.31-3,665.58

Finding the Fourth Proportional to 4,108.45, 5,672.31 and 3,665.58

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Solution

The fourth proportional to 4,108.45, 5,672.31 and 3,665.58 is: 5,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.45 : 5,672.31 = 3,665.58 : x
  2. Step 2: Convert to fraction form
    4,108.45/5,672.31 = 3,665.58/x
  3. Step 3: Cross multiply
    4,108.45x = 5,672.31 × 3,665.58
  4. Step 4: Simplify right side
    4,108.45x = 20,792,292.34
  5. Step 5: Solve for x
    x = 20,792,292.34/4,108.45
  6. Step 6: Final answer
    x = 5,060.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.