Home / 4,789.56-6,609.48-2,772.69

Finding the Fourth Proportional to 4,789.56, 6,609.48 and 2,772.69

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Solution

The fourth proportional to 4,789.56, 6,609.48 and 2,772.69 is: 3,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.56 : 6,609.48 = 2,772.69 : x
  2. Step 2: Convert to fraction form
    4,789.56/6,609.48 = 2,772.69/x
  3. Step 3: Cross multiply
    4,789.56x = 6,609.48 × 2,772.69
  4. Step 4: Simplify right side
    4,789.56x = 18,326,039.10
  5. Step 5: Solve for x
    x = 18,326,039.10/4,789.56
  6. Step 6: Final answer
    x = 3,826.25

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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.