Home / 4,098.70-6,146.73-1,324.78

Finding the Fourth Proportional to 4,098.70, 6,146.73 and 1,324.78

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Solution

The fourth proportional to 4,098.70, 6,146.73 and 1,324.78 is: 1,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.70 : 6,146.73 = 1,324.78 : x
  2. Step 2: Convert to fraction form
    4,098.70/6,146.73 = 1,324.78/x
  3. Step 3: Cross multiply
    4,098.70x = 6,146.73 × 1,324.78
  4. Step 4: Simplify right side
    4,098.70x = 8,143,034.24
  5. Step 5: Solve for x
    x = 8,143,034.24/4,098.70
  6. Step 6: Final answer
    x = 1,986.74

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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.