Home / 9,268-12,789.84-5,076.28

Finding the Fourth Proportional to 9,268, 12,789.84 and 5,076.28

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Solution

The fourth proportional to 9,268, 12,789.84 and 5,076.28 is: 7,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268 : 12,789.84 = 5,076.28 : x
  2. Step 2: Convert to fraction form
    9,268/12,789.84 = 5,076.28/x
  3. Step 3: Cross multiply
    9,268x = 12,789.84 × 5,076.28
  4. Step 4: Simplify right side
    9,268x = 64,924,809.00
  5. Step 5: Solve for x
    x = 64,924,809.00/9,268
  6. Step 6: Final answer
    x = 7,005.27

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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.