Home / 4,789.64-6,609.66-2,693.78

Finding the Fourth Proportional to 4,789.64, 6,609.66 and 2,693.78

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Solution

The fourth proportional to 4,789.64, 6,609.66 and 2,693.78 is: 3,717.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.64 : 6,609.66 = 2,693.78 : x
  2. Step 2: Convert to fraction form
    4,789.64/6,609.66 = 2,693.78/x
  3. Step 3: Cross multiply
    4,789.64x = 6,609.66 × 2,693.78
  4. Step 4: Simplify right side
    4,789.64x = 17,804,969.91
  5. Step 5: Solve for x
    x = 17,804,969.91/4,789.64
  6. Step 6: Final answer
    x = 3,717.39

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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.