Home / 8,148.68-11,245.08-4,611.80

Finding the Fourth Proportional to 8,148.68, 11,245.08 and 4,611.80

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Solution

The fourth proportional to 8,148.68, 11,245.08 and 4,611.80 is: 6,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.68 : 11,245.08 = 4,611.80 : x
  2. Step 2: Convert to fraction form
    8,148.68/11,245.08 = 4,611.80/x
  3. Step 3: Cross multiply
    8,148.68x = 11,245.08 × 4,611.80
  4. Step 4: Simplify right side
    8,148.68x = 51,860,059.94
  5. Step 5: Solve for x
    x = 51,860,059.94/8,148.68
  6. Step 6: Final answer
    x = 6,364.23

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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.