Home / 8,144.81-12,203.27-5,471.40

Finding the Fourth Proportional to 8,144.81, 12,203.27 and 5,471.40

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Solution

The fourth proportional to 8,144.81, 12,203.27 and 5,471.40 is: 8,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.81 : 12,203.27 = 5,471.40 : x
  2. Step 2: Convert to fraction form
    8,144.81/12,203.27 = 5,471.40/x
  3. Step 3: Cross multiply
    8,144.81x = 12,203.27 × 5,471.40
  4. Step 4: Simplify right side
    8,144.81x = 66,768,971.48
  5. Step 5: Solve for x
    x = 66,768,971.48/8,144.81
  6. Step 6: Final answer
    x = 8,197.73

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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.