Home / 8,194.80-12,293.40-2,647.08

Finding the Fourth Proportional to 8,194.80, 12,293.40 and 2,647.08

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Solution

The fourth proportional to 8,194.80, 12,293.40 and 2,647.08 is: 3,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.80 : 12,293.40 = 2,647.08 : x
  2. Step 2: Convert to fraction form
    8,194.80/12,293.40 = 2,647.08/x
  3. Step 3: Cross multiply
    8,194.80x = 12,293.40 × 2,647.08
  4. Step 4: Simplify right side
    8,194.80x = 32,541,613.27
  5. Step 5: Solve for x
    x = 32,541,613.27/8,194.80
  6. Step 6: Final answer
    x = 3,971.01

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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.