Home / 4,141.45-6,212.13-1,219.65

Finding the Fourth Proportional to 4,141.45, 6,212.13 and 1,219.65

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Solution

The fourth proportional to 4,141.45, 6,212.13 and 1,219.65 is: 1,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.45 : 6,212.13 = 1,219.65 : x
  2. Step 2: Convert to fraction form
    4,141.45/6,212.13 = 1,219.65/x
  3. Step 3: Cross multiply
    4,141.45x = 6,212.13 × 1,219.65
  4. Step 4: Simplify right side
    4,141.45x = 7,576,624.35
  5. Step 5: Solve for x
    x = 7,576,624.35/4,141.45
  6. Step 6: Final answer
    x = 1,829.46

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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.