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Finding the Fourth Proportional to 4,795.86, 6,619.22 and 2,699.99

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Solution

The fourth proportional to 4,795.86, 6,619.22 and 2,699.99 is: 3,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.86 : 6,619.22 = 2,699.99 : x
  2. Step 2: Convert to fraction form
    4,795.86/6,619.22 = 2,699.99/x
  3. Step 3: Cross multiply
    4,795.86x = 6,619.22 × 2,699.99
  4. Step 4: Simplify right side
    4,795.86x = 17,871,781.21
  5. Step 5: Solve for x
    x = 17,871,781.21/4,795.86
  6. Step 6: Final answer
    x = 3,726.50

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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.