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Finding the Fourth Proportional to 6,603.98, 9,899.21 and 2,905.52

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Solution

The fourth proportional to 6,603.98, 9,899.21 and 2,905.52 is: 4,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.98 : 9,899.21 = 2,905.52 : x
  2. Step 2: Convert to fraction form
    6,603.98/9,899.21 = 2,905.52/x
  3. Step 3: Cross multiply
    6,603.98x = 9,899.21 × 2,905.52
  4. Step 4: Simplify right side
    6,603.98x = 28,762,288.62
  5. Step 5: Solve for x
    x = 28,762,288.62/6,603.98
  6. Step 6: Final answer
    x = 4,355.30

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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.