Home / 4,608.42-6,912.66-1,145.70

Finding the Fourth Proportional to 4,608.42, 6,912.66 and 1,145.70

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Solution

The fourth proportional to 4,608.42, 6,912.66 and 1,145.70 is: 1,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.42 : 6,912.66 = 1,145.70 : x
  2. Step 2: Convert to fraction form
    4,608.42/6,912.66 = 1,145.70/x
  3. Step 3: Cross multiply
    4,608.42x = 6,912.66 × 1,145.70
  4. Step 4: Simplify right side
    4,608.42x = 7,919,834.56
  5. Step 5: Solve for x
    x = 7,919,834.56/4,608.42
  6. Step 6: Final answer
    x = 1,718.56

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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.