Home / 4,112.76-6,169.12-1,376.76

Finding the Fourth Proportional to 4,112.76, 6,169.12 and 1,376.76

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Solution

The fourth proportional to 4,112.76, 6,169.12 and 1,376.76 is: 2,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.76 : 6,169.12 = 1,376.76 : x
  2. Step 2: Convert to fraction form
    4,112.76/6,169.12 = 1,376.76/x
  3. Step 3: Cross multiply
    4,112.76x = 6,169.12 × 1,376.76
  4. Step 4: Simplify right side
    4,112.76x = 8,493,397.65
  5. Step 5: Solve for x
    x = 8,493,397.65/4,112.76
  6. Step 6: Final answer
    x = 2,065.13

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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.