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Finding the Fourth Proportional to 6,603.41, 9,906.77 and 4,659.41

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Solution

The fourth proportional to 6,603.41, 9,906.77 and 4,659.41 is: 6,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.41 : 9,906.77 = 4,659.41 : x
  2. Step 2: Convert to fraction form
    6,603.41/9,906.77 = 4,659.41/x
  3. Step 3: Cross multiply
    6,603.41x = 9,906.77 × 4,659.41
  4. Step 4: Simplify right side
    6,603.41x = 46,159,703.21
  5. Step 5: Solve for x
    x = 46,159,703.21/6,603.41
  6. Step 6: Final answer
    x = 6,990.28

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1.5x scale

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.