Home / 4,162.19-6,243.41-1,820.99

Finding the Fourth Proportional to 4,162.19, 6,243.41 and 1,820.99

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Solution

The fourth proportional to 4,162.19, 6,243.41 and 1,820.99 is: 2,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.19 : 6,243.41 = 1,820.99 : x
  2. Step 2: Convert to fraction form
    4,162.19/6,243.41 = 1,820.99/x
  3. Step 3: Cross multiply
    4,162.19x = 6,243.41 × 1,820.99
  4. Step 4: Simplify right side
    4,162.19x = 11,369,146.85
  5. Step 5: Solve for x
    x = 11,369,146.85/4,162.19
  6. Step 6: Final answer
    x = 2,731.53

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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.