Home / 8,078.93-12,112.20-3,693.32

Finding the Fourth Proportional to 8,078.93, 12,112.20 and 3,693.32

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Solution

The fourth proportional to 8,078.93, 12,112.20 and 3,693.32 is: 5,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.93 : 12,112.20 = 3,693.32 : x
  2. Step 2: Convert to fraction form
    8,078.93/12,112.20 = 3,693.32/x
  3. Step 3: Cross multiply
    8,078.93x = 12,112.20 × 3,693.32
  4. Step 4: Simplify right side
    8,078.93x = 44,734,230.50
  5. Step 5: Solve for x
    x = 44,734,230.50/8,078.93
  6. Step 6: Final answer
    x = 5,537.15

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1.5x scale

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.