Home / 8,068.46-12,086.51-4,119.56

Finding the Fourth Proportional to 8,068.46, 12,086.51 and 4,119.56

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Solution

The fourth proportional to 8,068.46, 12,086.51 and 4,119.56 is: 6,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.46 : 12,086.51 = 4,119.56 : x
  2. Step 2: Convert to fraction form
    8,068.46/12,086.51 = 4,119.56/x
  3. Step 3: Cross multiply
    8,068.46x = 12,086.51 × 4,119.56
  4. Step 4: Simplify right side
    8,068.46x = 49,791,022.11
  5. Step 5: Solve for x
    x = 49,791,022.11/8,068.46
  6. Step 6: Final answer
    x = 6,171.07

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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.