Home / 8,623.93-12,930.35-3,629.54

Finding the Fourth Proportional to 8,623.93, 12,930.35 and 3,629.54

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Solution

The fourth proportional to 8,623.93, 12,930.35 and 3,629.54 is: 5,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.93 : 12,930.35 = 3,629.54 : x
  2. Step 2: Convert to fraction form
    8,623.93/12,930.35 = 3,629.54/x
  3. Step 3: Cross multiply
    8,623.93x = 12,930.35 × 3,629.54
  4. Step 4: Simplify right side
    8,623.93x = 46,931,204.39
  5. Step 5: Solve for x
    x = 46,931,204.39/8,623.93
  6. Step 6: Final answer
    x = 5,441.97

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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.