Home / 4,611.60-6,919.92-2,147.58

Finding the Fourth Proportional to 4,611.60, 6,919.92 and 2,147.58

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Solution

The fourth proportional to 4,611.60, 6,919.92 and 2,147.58 is: 3,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.60 : 6,919.92 = 2,147.58 : x
  2. Step 2: Convert to fraction form
    4,611.60/6,919.92 = 2,147.58/x
  3. Step 3: Cross multiply
    4,611.60x = 6,919.92 × 2,147.58
  4. Step 4: Simplify right side
    4,611.60x = 14,861,081.79
  5. Step 5: Solve for x
    x = 14,861,081.79/4,611.60
  6. Step 6: Final answer
    x = 3,222.54

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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.