Home / 5,096.68-7,640.16-1,631.56

Finding the Fourth Proportional to 5,096.68, 7,640.16 and 1,631.56

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Solution

The fourth proportional to 5,096.68, 7,640.16 and 1,631.56 is: 2,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,096.68 : 7,640.16 = 1,631.56 : x
  2. Step 2: Convert to fraction form
    5,096.68/7,640.16 = 1,631.56/x
  3. Step 3: Cross multiply
    5,096.68x = 7,640.16 × 1,631.56
  4. Step 4: Simplify right side
    5,096.68x = 12,465,379.45
  5. Step 5: Solve for x
    x = 12,465,379.45/5,096.68
  6. Step 6: Final answer
    x = 2,445.78

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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.