Home / 5,611.41-8,422.32-2,840.04

Finding the Fourth Proportional to 5,611.41, 8,422.32 and 2,840.04

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Solution

The fourth proportional to 5,611.41, 8,422.32 and 2,840.04 is: 4,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.41 : 8,422.32 = 2,840.04 : x
  2. Step 2: Convert to fraction form
    5,611.41/8,422.32 = 2,840.04/x
  3. Step 3: Cross multiply
    5,611.41x = 8,422.32 × 2,840.04
  4. Step 4: Simplify right side
    5,611.41x = 23,919,725.69
  5. Step 5: Solve for x
    x = 23,919,725.69/5,611.41
  6. Step 6: Final answer
    x = 4,262.69

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1.5x scale

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.