Home / 7,789.64-11,684.46-2,317.64

Finding the Fourth Proportional to 7,789.64, 11,684.46 and 2,317.64

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Solution

The fourth proportional to 7,789.64, 11,684.46 and 2,317.64 is: 3,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.64 : 11,684.46 = 2,317.64 : x
  2. Step 2: Convert to fraction form
    7,789.64/11,684.46 = 2,317.64/x
  3. Step 3: Cross multiply
    7,789.64x = 11,684.46 × 2,317.64
  4. Step 4: Simplify right side
    7,789.64x = 27,080,371.87
  5. Step 5: Solve for x
    x = 27,080,371.87/7,789.64
  6. Step 6: Final answer
    x = 3,476.46

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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.