Home / 8,116.07-12,176.06-4,165.70

Finding the Fourth Proportional to 8,116.07, 12,176.06 and 4,165.70

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Solution

The fourth proportional to 8,116.07, 12,176.06 and 4,165.70 is: 6,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.07 : 12,176.06 = 4,165.70 : x
  2. Step 2: Convert to fraction form
    8,116.07/12,176.06 = 4,165.70/x
  3. Step 3: Cross multiply
    8,116.07x = 12,176.06 × 4,165.70
  4. Step 4: Simplify right side
    8,116.07x = 50,721,731.43
  5. Step 5: Solve for x
    x = 50,721,731.43/8,116.07
  6. Step 6: Final answer
    x = 6,249.55

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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.