Home / 8,724.48-13,087.44-3,529.68

Finding the Fourth Proportional to 8,724.48, 13,087.44 and 3,529.68

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Solution

The fourth proportional to 8,724.48, 13,087.44 and 3,529.68 is: 5,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.48 : 13,087.44 = 3,529.68 : x
  2. Step 2: Convert to fraction form
    8,724.48/13,087.44 = 3,529.68/x
  3. Step 3: Cross multiply
    8,724.48x = 13,087.44 × 3,529.68
  4. Step 4: Simplify right side
    8,724.48x = 46,194,475.22
  5. Step 5: Solve for x
    x = 46,194,475.22/8,724.48
  6. Step 6: Final answer
    x = 5,294.81

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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.