Home / 4,615.07-6,912.20-2,144.69

Finding the Fourth Proportional to 4,615.07, 6,912.20 and 2,144.69

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Solution

The fourth proportional to 4,615.07, 6,912.20 and 2,144.69 is: 3,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.07 : 6,912.20 = 2,144.69 : x
  2. Step 2: Convert to fraction form
    4,615.07/6,912.20 = 2,144.69/x
  3. Step 3: Cross multiply
    4,615.07x = 6,912.20 × 2,144.69
  4. Step 4: Simplify right side
    4,615.07x = 14,824,532.78
  5. Step 5: Solve for x
    x = 14,824,532.78/4,615.07
  6. Step 6: Final answer
    x = 3,212.20

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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.