Home / 5,076.40-7,606.36-2,607.79

Finding the Fourth Proportional to 5,076.40, 7,606.36 and 2,607.79

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Solution

The fourth proportional to 5,076.40, 7,606.36 and 2,607.79 is: 3,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.40 : 7,606.36 = 2,607.79 : x
  2. Step 2: Convert to fraction form
    5,076.40/7,606.36 = 2,607.79/x
  3. Step 3: Cross multiply
    5,076.40x = 7,606.36 × 2,607.79
  4. Step 4: Simplify right side
    5,076.40x = 19,835,789.54
  5. Step 5: Solve for x
    x = 19,835,789.54/5,076.40
  6. Step 6: Final answer
    x = 3,907.45

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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.