Home / 5,144.56-7,099.54-2,786.70

Finding the Fourth Proportional to 5,144.56, 7,099.54 and 2,786.70

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Solution

The fourth proportional to 5,144.56, 7,099.54 and 2,786.70 is: 3,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.56 : 7,099.54 = 2,786.70 : x
  2. Step 2: Convert to fraction form
    5,144.56/7,099.54 = 2,786.70/x
  3. Step 3: Cross multiply
    5,144.56x = 7,099.54 × 2,786.70
  4. Step 4: Simplify right side
    5,144.56x = 19,784,307.77
  5. Step 5: Solve for x
    x = 19,784,307.77/5,144.56
  6. Step 6: Final answer
    x = 3,845.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.