Home / 8,268.72-11,412.03-5,125.92

Finding the Fourth Proportional to 8,268.72, 11,412.03 and 5,125.92

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Solution

The fourth proportional to 8,268.72, 11,412.03 and 5,125.92 is: 7,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.72 : 11,412.03 = 5,125.92 : x
  2. Step 2: Convert to fraction form
    8,268.72/11,412.03 = 5,125.92/x
  3. Step 3: Cross multiply
    8,268.72x = 11,412.03 × 5,125.92
  4. Step 4: Simplify right side
    8,268.72x = 58,497,152.82
  5. Step 5: Solve for x
    x = 58,497,152.82/8,268.72
  6. Step 6: Final answer
    x = 7,074.51

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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.