Home / 5,548.32-7,656.64-3,030.43

Finding the Fourth Proportional to 5,548.32, 7,656.64 and 3,030.43

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Solution

The fourth proportional to 5,548.32, 7,656.64 and 3,030.43 is: 4,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.32 : 7,656.64 = 3,030.43 : x
  2. Step 2: Convert to fraction form
    5,548.32/7,656.64 = 3,030.43/x
  3. Step 3: Cross multiply
    5,548.32x = 7,656.64 × 3,030.43
  4. Step 4: Simplify right side
    5,548.32x = 23,202,911.56
  5. Step 5: Solve for x
    x = 23,202,911.56/5,548.32
  6. Step 6: Final answer
    x = 4,181.97

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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.