Home / 7,817.60-11,723.52-2,622.08

Finding the Fourth Proportional to 7,817.60, 11,723.52 and 2,622.08

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Solution

The fourth proportional to 7,817.60, 11,723.52 and 2,622.08 is: 3,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.60 : 11,723.52 = 2,622.08 : x
  2. Step 2: Convert to fraction form
    7,817.60/11,723.52 = 2,622.08/x
  3. Step 3: Cross multiply
    7,817.60x = 11,723.52 × 2,622.08
  4. Step 4: Simplify right side
    7,817.60x = 30,740,007.32
  5. Step 5: Solve for x
    x = 30,740,007.32/7,817.60
  6. Step 6: Final answer
    x = 3,932.15

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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.