Home / 4,146.88-6,220.32-2,769.12

Finding the Fourth Proportional to 4,146.88, 6,220.32 and 2,769.12

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Solution

The fourth proportional to 4,146.88, 6,220.32 and 2,769.12 is: 4,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.88 : 6,220.32 = 2,769.12 : x
  2. Step 2: Convert to fraction form
    4,146.88/6,220.32 = 2,769.12/x
  3. Step 3: Cross multiply
    4,146.88x = 6,220.32 × 2,769.12
  4. Step 4: Simplify right side
    4,146.88x = 17,224,812.52
  5. Step 5: Solve for x
    x = 17,224,812.52/4,146.88
  6. Step 6: Final answer
    x = 4,153.68

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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.