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Finding the Fourth Proportional to 6,025.36, 9,055.88 and 4,992

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Solution

The fourth proportional to 6,025.36, 9,055.88 and 4,992 is: 7,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,025.36 : 9,055.88 = 4,992 : x
  2. Step 2: Convert to fraction form
    6,025.36/9,055.88 = 4,992/x
  3. Step 3: Cross multiply
    6,025.36x = 9,055.88 × 4,992
  4. Step 4: Simplify right side
    6,025.36x = 45,206,952.96
  5. Step 5: Solve for x
    x = 45,206,952.96/6,025.36
  6. Step 6: Final answer
    x = 7,502.78

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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.