Home / 8,138.41-12,207.52-6,176.08

Finding the Fourth Proportional to 8,138.41, 12,207.52 and 6,176.08

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Solution

The fourth proportional to 8,138.41, 12,207.52 and 6,176.08 is: 9,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.41 : 12,207.52 = 6,176.08 : x
  2. Step 2: Convert to fraction form
    8,138.41/12,207.52 = 6,176.08/x
  3. Step 3: Cross multiply
    8,138.41x = 12,207.52 × 6,176.08
  4. Step 4: Simplify right side
    8,138.41x = 75,394,643.10
  5. Step 5: Solve for x
    x = 75,394,643.10/8,138.41
  6. Step 6: Final answer
    x = 9,264.05

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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.