Home / 5,540.78-7,642.36-3,300.93

Finding the Fourth Proportional to 5,540.78, 7,642.36 and 3,300.93

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Solution

The fourth proportional to 5,540.78, 7,642.36 and 3,300.93 is: 4,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.78 : 7,642.36 = 3,300.93 : x
  2. Step 2: Convert to fraction form
    5,540.78/7,642.36 = 3,300.93/x
  3. Step 3: Cross multiply
    5,540.78x = 7,642.36 × 3,300.93
  4. Step 4: Simplify right side
    5,540.78x = 25,226,848.93
  5. Step 5: Solve for x
    x = 25,226,848.93/5,540.78
  6. Step 6: Final answer
    x = 4,552.94

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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.