Home / 8,268.32-11,405.72-5,237.88

Finding the Fourth Proportional to 8,268.32, 11,405.72 and 5,237.88

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Solution

The fourth proportional to 8,268.32, 11,405.72 and 5,237.88 is: 7,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.32 : 11,405.72 = 5,237.88 : x
  2. Step 2: Convert to fraction form
    8,268.32/11,405.72 = 5,237.88/x
  3. Step 3: Cross multiply
    8,268.32x = 11,405.72 × 5,237.88
  4. Step 4: Simplify right side
    8,268.32x = 59,741,766.48
  5. Step 5: Solve for x
    x = 59,741,766.48/8,268.32
  6. Step 6: Final answer
    x = 7,225.39

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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.