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Finding the Fourth Proportional to 6,804.84, 9,388.74 and 5,230.12

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Solution

The fourth proportional to 6,804.84, 9,388.74 and 5,230.12 is: 7,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.84 : 9,388.74 = 5,230.12 : x
  2. Step 2: Convert to fraction form
    6,804.84/9,388.74 = 5,230.12/x
  3. Step 3: Cross multiply
    6,804.84x = 9,388.74 × 5,230.12
  4. Step 4: Simplify right side
    6,804.84x = 49,104,236.85
  5. Step 5: Solve for x
    x = 49,104,236.85/6,804.84
  6. Step 6: Final answer
    x = 7,216.08

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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.