Home / 4,889.45-6,747.62-2,765.07

Finding the Fourth Proportional to 4,889.45, 6,747.62 and 2,765.07

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Solution

The fourth proportional to 4,889.45, 6,747.62 and 2,765.07 is: 3,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.45 : 6,747.62 = 2,765.07 : x
  2. Step 2: Convert to fraction form
    4,889.45/6,747.62 = 2,765.07/x
  3. Step 3: Cross multiply
    4,889.45x = 6,747.62 × 2,765.07
  4. Step 4: Simplify right side
    4,889.45x = 18,657,627.81
  5. Step 5: Solve for x
    x = 18,657,627.81/4,889.45
  6. Step 6: Final answer
    x = 3,815.89

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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.