Home / 4,390.96-6,611.32-3,874.36

Finding the Fourth Proportional to 4,390.96, 6,611.32 and 3,874.36

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Solution

The fourth proportional to 4,390.96, 6,611.32 and 3,874.36 is: 5,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.96 : 6,611.32 = 3,874.36 : x
  2. Step 2: Convert to fraction form
    4,390.96/6,611.32 = 3,874.36/x
  3. Step 3: Cross multiply
    4,390.96x = 6,611.32 × 3,874.36
  4. Step 4: Simplify right side
    4,390.96x = 25,614,633.76
  5. Step 5: Solve for x
    x = 25,614,633.76/4,390.96
  6. Step 6: Final answer
    x = 5,833.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.