Home / 8,407.74-12,611.58-4,022.79

Finding the Fourth Proportional to 8,407.74, 12,611.58 and 4,022.79

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Solution

The fourth proportional to 8,407.74, 12,611.58 and 4,022.79 is: 6,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.74 : 12,611.58 = 4,022.79 : x
  2. Step 2: Convert to fraction form
    8,407.74/12,611.58 = 4,022.79/x
  3. Step 3: Cross multiply
    8,407.74x = 12,611.58 × 4,022.79
  4. Step 4: Simplify right side
    8,407.74x = 50,733,737.91
  5. Step 5: Solve for x
    x = 50,733,737.91/8,407.74
  6. Step 6: Final answer
    x = 6,034.17

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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.