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Finding the Fourth Proportional to 4,402, 6,603.59 and 2,061.69

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Solution

The fourth proportional to 4,402, 6,603.59 and 2,061.69 is: 3,092.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,402 : 6,603.59 = 2,061.69 : x
  2. Step 2: Convert to fraction form
    4,402/6,603.59 = 2,061.69/x
  3. Step 3: Cross multiply
    4,402x = 6,603.59 × 2,061.69
  4. Step 4: Simplify right side
    4,402x = 13,614,555.47
  5. Step 5: Solve for x
    x = 13,614,555.47/4,402
  6. Step 6: Final answer
    x = 3,092.81

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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.