Home / 8,147.07-11,245.41-4,790.07

Finding the Fourth Proportional to 8,147.07, 11,245.41 and 4,790.07

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Solution

The fourth proportional to 8,147.07, 11,245.41 and 4,790.07 is: 6,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.07 : 11,245.41 = 4,790.07 : x
  2. Step 2: Convert to fraction form
    8,147.07/11,245.41 = 4,790.07/x
  3. Step 3: Cross multiply
    8,147.07x = 11,245.41 × 4,790.07
  4. Step 4: Simplify right side
    8,147.07x = 53,866,301.08
  5. Step 5: Solve for x
    x = 53,866,301.08/8,147.07
  6. Step 6: Final answer
    x = 6,611.74

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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.