Home / 8,078.08-12,118.03-3,694.36

Finding the Fourth Proportional to 8,078.08, 12,118.03 and 3,694.36

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Solution

The fourth proportional to 8,078.08, 12,118.03 and 3,694.36 is: 5,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.08 : 12,118.03 = 3,694.36 : x
  2. Step 2: Convert to fraction form
    8,078.08/12,118.03 = 3,694.36/x
  3. Step 3: Cross multiply
    8,078.08x = 12,118.03 × 3,694.36
  4. Step 4: Simplify right side
    8,078.08x = 44,768,358.89
  5. Step 5: Solve for x
    x = 44,768,358.89/8,078.08
  6. Step 6: Final answer
    x = 5,541.96

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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.