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Finding the Fourth Proportional to 4,489, 6,173.94 and 3,603.40

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Solution

The fourth proportional to 4,489, 6,173.94 and 3,603.40 is: 4,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489 : 6,173.94 = 3,603.40 : x
  2. Step 2: Convert to fraction form
    4,489/6,173.94 = 3,603.40/x
  3. Step 3: Cross multiply
    4,489x = 6,173.94 × 3,603.40
  4. Step 4: Simplify right side
    4,489x = 22,247,175.40
  5. Step 5: Solve for x
    x = 22,247,175.40/4,489
  6. Step 6: Final answer
    x = 4,955.93

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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.