Home / 8,388.31-11,576.43-5,550.79

Finding the Fourth Proportional to 8,388.31, 11,576.43 and 5,550.79

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Solution

The fourth proportional to 8,388.31, 11,576.43 and 5,550.79 is: 7,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.31 : 11,576.43 = 5,550.79 : x
  2. Step 2: Convert to fraction form
    8,388.31/11,576.43 = 5,550.79/x
  3. Step 3: Cross multiply
    8,388.31x = 11,576.43 × 5,550.79
  4. Step 4: Simplify right side
    8,388.31x = 64,258,302.94
  5. Step 5: Solve for x
    x = 64,258,302.94/8,388.31
  6. Step 6: Final answer
    x = 7,660.46

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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.