Home / 6,840.12-10,259.70-3,909.24

Finding the Fourth Proportional to 6,840.12, 10,259.70 and 3,909.24

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Solution

The fourth proportional to 6,840.12, 10,259.70 and 3,909.24 is: 5,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.12 : 10,259.70 = 3,909.24 : x
  2. Step 2: Convert to fraction form
    6,840.12/10,259.70 = 3,909.24/x
  3. Step 3: Cross multiply
    6,840.12x = 10,259.70 × 3,909.24
  4. Step 4: Simplify right side
    6,840.12x = 40,107,629.63
  5. Step 5: Solve for x
    x = 40,107,629.63/6,840.12
  6. Step 6: Final answer
    x = 5,863.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.