Home / 6,603.61-9,906.48-2,159.98

Finding the Fourth Proportional to 6,603.61, 9,906.48 and 2,159.98

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Solution

The fourth proportional to 6,603.61, 9,906.48 and 2,159.98 is: 3,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.61 : 9,906.48 = 2,159.98 : x
  2. Step 2: Convert to fraction form
    6,603.61/9,906.48 = 2,159.98/x
  3. Step 3: Cross multiply
    6,603.61x = 9,906.48 × 2,159.98
  4. Step 4: Simplify right side
    6,603.61x = 21,397,798.67
  5. Step 5: Solve for x
    x = 21,397,798.67/6,603.61
  6. Step 6: Final answer
    x = 3,240.32

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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.