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Finding the Fourth Proportional to 6,788, 9,368.19 and 3,804.11

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Solution

The fourth proportional to 6,788, 9,368.19 and 3,804.11 is: 5,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788 : 9,368.19 = 3,804.11 : x
  2. Step 2: Convert to fraction form
    6,788/9,368.19 = 3,804.11/x
  3. Step 3: Cross multiply
    6,788x = 9,368.19 × 3,804.11
  4. Step 4: Simplify right side
    6,788x = 35,637,625.26
  5. Step 5: Solve for x
    x = 35,637,625.26/6,788
  6. Step 6: Final answer
    x = 5,250.09

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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.