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Finding the Fourth Proportional to 6,798.42, 9,387.39 and 5,539.68

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Solution

The fourth proportional to 6,798.42, 9,387.39 and 5,539.68 is: 7,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.42 : 9,387.39 = 5,539.68 : x
  2. Step 2: Convert to fraction form
    6,798.42/9,387.39 = 5,539.68/x
  3. Step 3: Cross multiply
    6,798.42x = 9,387.39 × 5,539.68
  4. Step 4: Simplify right side
    6,798.42x = 52,003,136.64
  5. Step 5: Solve for x
    x = 52,003,136.64/6,798.42
  6. Step 6: Final answer
    x = 7,649.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.