Home / 4,146.56-6,217.10-1,678.49

Finding the Fourth Proportional to 4,146.56, 6,217.10 and 1,678.49

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Solution

The fourth proportional to 4,146.56, 6,217.10 and 1,678.49 is: 2,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.56 : 6,217.10 = 1,678.49 : x
  2. Step 2: Convert to fraction form
    4,146.56/6,217.10 = 1,678.49/x
  3. Step 3: Cross multiply
    4,146.56x = 6,217.10 × 1,678.49
  4. Step 4: Simplify right side
    4,146.56x = 10,435,300.70
  5. Step 5: Solve for x
    x = 10,435,300.70/4,146.56
  6. Step 6: Final answer
    x = 2,516.62

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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.