Home / 9,063.60-13,596.64-3,218.80

Finding the Fourth Proportional to 9,063.60, 13,596.64 and 3,218.80

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Solution

The fourth proportional to 9,063.60, 13,596.64 and 3,218.80 is: 4,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.60 : 13,596.64 = 3,218.80 : x
  2. Step 2: Convert to fraction form
    9,063.60/13,596.64 = 3,218.80/x
  3. Step 3: Cross multiply
    9,063.60x = 13,596.64 × 3,218.80
  4. Step 4: Simplify right side
    9,063.60x = 43,764,864.83
  5. Step 5: Solve for x
    x = 43,764,864.83/9,063.60
  6. Step 6: Final answer
    x = 4,828.64

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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.