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Finding the Fourth Proportional to 6,603, 9,117 and 4,503.48

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Solution

The fourth proportional to 6,603, 9,117 and 4,503.48 is: 6,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603 : 9,117 = 4,503.48 : x
  2. Step 2: Convert to fraction form
    6,603/9,117 = 4,503.48/x
  3. Step 3: Cross multiply
    6,603x = 9,117 × 4,503.48
  4. Step 4: Simplify right side
    6,603x = 41,058,227.16
  5. Step 5: Solve for x
    x = 41,058,227.16/6,603
  6. Step 6: Final answer
    x = 6,218.12

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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.