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Finding the Fourth Proportional to 8,592.89, 11,860.02 and 5,603.38

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Solution

The fourth proportional to 8,592.89, 11,860.02 and 5,603.38 is: 7,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.89 : 11,860.02 = 5,603.38 : x
  2. Step 2: Convert to fraction form
    8,592.89/11,860.02 = 5,603.38/x
  3. Step 3: Cross multiply
    8,592.89x = 11,860.02 × 5,603.38
  4. Step 4: Simplify right side
    8,592.89x = 66,456,169.22
  5. Step 5: Solve for x
    x = 66,456,169.22/8,592.89
  6. Step 6: Final answer
    x = 7,733.86

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1.5x scale

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.