Home / 8,725.22-13,087.66-2,485.28

Finding the Fourth Proportional to 8,725.22, 13,087.66 and 2,485.28

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Solution

The fourth proportional to 8,725.22, 13,087.66 and 2,485.28 is: 3,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.22 : 13,087.66 = 2,485.28 : x
  2. Step 2: Convert to fraction form
    8,725.22/13,087.66 = 2,485.28/x
  3. Step 3: Cross multiply
    8,725.22x = 13,087.66 × 2,485.28
  4. Step 4: Simplify right side
    8,725.22x = 32,526,499.64
  5. Step 5: Solve for x
    x = 32,526,499.64/8,725.22
  6. Step 6: Final answer
    x = 3,727.87

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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.