Home / 6,140.42-8,473.78-3,345.92

Finding the Fourth Proportional to 6,140.42, 8,473.78 and 3,345.92

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Solution

The fourth proportional to 6,140.42, 8,473.78 and 3,345.92 is: 4,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.42 : 8,473.78 = 3,345.92 : x
  2. Step 2: Convert to fraction form
    6,140.42/8,473.78 = 3,345.92/x
  3. Step 3: Cross multiply
    6,140.42x = 8,473.78 × 3,345.92
  4. Step 4: Simplify right side
    6,140.42x = 28,352,589.98
  5. Step 5: Solve for x
    x = 28,352,589.98/6,140.42
  6. Step 6: Final answer
    x = 4,617.37

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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.