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Finding the Fourth Proportional to 6,603.13, 9,904.61 and 1,605.53

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Solution

The fourth proportional to 6,603.13, 9,904.61 and 1,605.53 is: 2,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.13 : 9,904.61 = 1,605.53 : x
  2. Step 2: Convert to fraction form
    6,603.13/9,904.61 = 1,605.53/x
  3. Step 3: Cross multiply
    6,603.13x = 9,904.61 × 1,605.53
  4. Step 4: Simplify right side
    6,603.13x = 15,902,117.04
  5. Step 5: Solve for x
    x = 15,902,117.04/6,603.13
  6. Step 6: Final answer
    x = 2,408.27

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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.