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Finding the Fourth Proportional to 4,939.88, 7,395.44 and 2,594.34

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Solution

The fourth proportional to 4,939.88, 7,395.44 and 2,594.34 is: 3,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.88 : 7,395.44 = 2,594.34 : x
  2. Step 2: Convert to fraction form
    4,939.88/7,395.44 = 2,594.34/x
  3. Step 3: Cross multiply
    4,939.88x = 7,395.44 × 2,594.34
  4. Step 4: Simplify right side
    4,939.88x = 19,186,285.81
  5. Step 5: Solve for x
    x = 19,186,285.81/4,939.88
  6. Step 6: Final answer
    x = 3,883.96

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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.