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Finding the Fourth Proportional to 6,291.65, 8,682.49 and 3,459.08

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Solution

The fourth proportional to 6,291.65, 8,682.49 and 3,459.08 is: 4,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.65 : 8,682.49 = 3,459.08 : x
  2. Step 2: Convert to fraction form
    6,291.65/8,682.49 = 3,459.08/x
  3. Step 3: Cross multiply
    6,291.65x = 8,682.49 × 3,459.08
  4. Step 4: Simplify right side
    6,291.65x = 30,033,384.45
  5. Step 5: Solve for x
    x = 30,033,384.45/6,291.65
  6. Step 6: Final answer
    x = 4,773.53

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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.