Home / 8,724.88-13,087.32-2,485.54

Finding the Fourth Proportional to 8,724.88, 13,087.32 and 2,485.54

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Solution

The fourth proportional to 8,724.88, 13,087.32 and 2,485.54 is: 3,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.88 : 13,087.32 = 2,485.54 : x
  2. Step 2: Convert to fraction form
    8,724.88/13,087.32 = 2,485.54/x
  3. Step 3: Cross multiply
    8,724.88x = 13,087.32 × 2,485.54
  4. Step 4: Simplify right side
    8,724.88x = 32,529,057.35
  5. Step 5: Solve for x
    x = 32,529,057.35/8,724.88
  6. Step 6: Final answer
    x = 3,728.31

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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.