Home / 8,544.27-12,798.39-5,422.63

Finding the Fourth Proportional to 8,544.27, 12,798.39 and 5,422.63

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Solution

The fourth proportional to 8,544.27, 12,798.39 and 5,422.63 is: 8,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.27 : 12,798.39 = 5,422.63 : x
  2. Step 2: Convert to fraction form
    8,544.27/12,798.39 = 5,422.63/x
  3. Step 3: Cross multiply
    8,544.27x = 12,798.39 × 5,422.63
  4. Step 4: Simplify right side
    8,544.27x = 69,400,933.57
  5. Step 5: Solve for x
    x = 69,400,933.57/8,544.27
  6. Step 6: Final answer
    x = 8,122.51

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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.