Home / 6,618.30-9,928.93-2,235.52

Finding the Fourth Proportional to 6,618.30, 9,928.93 and 2,235.52

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Solution

The fourth proportional to 6,618.30, 9,928.93 and 2,235.52 is: 3,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.30 : 9,928.93 = 2,235.52 : x
  2. Step 2: Convert to fraction form
    6,618.30/9,928.93 = 2,235.52/x
  3. Step 3: Cross multiply
    6,618.30x = 9,928.93 × 2,235.52
  4. Step 4: Simplify right side
    6,618.30x = 22,196,321.59
  5. Step 5: Solve for x
    x = 22,196,321.59/6,618.30
  6. Step 6: Final answer
    x = 3,353.78

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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.