Home / 4,689.86-6,474.35-3,625.22

Finding the Fourth Proportional to 4,689.86, 6,474.35 and 3,625.22

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Solution

The fourth proportional to 4,689.86, 6,474.35 and 3,625.22 is: 5,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.86 : 6,474.35 = 3,625.22 : x
  2. Step 2: Convert to fraction form
    4,689.86/6,474.35 = 3,625.22/x
  3. Step 3: Cross multiply
    4,689.86x = 6,474.35 × 3,625.22
  4. Step 4: Simplify right side
    4,689.86x = 23,470,906.20
  5. Step 5: Solve for x
    x = 23,470,906.20/4,689.86
  6. Step 6: Final answer
    x = 5,004.61

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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.