Home / 4,318.54-6,478.44-1,396.96

Finding the Fourth Proportional to 4,318.54, 6,478.44 and 1,396.96

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Solution

The fourth proportional to 4,318.54, 6,478.44 and 1,396.96 is: 2,095.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.54 : 6,478.44 = 1,396.96 : x
  2. Step 2: Convert to fraction form
    4,318.54/6,478.44 = 1,396.96/x
  3. Step 3: Cross multiply
    4,318.54x = 6,478.44 × 1,396.96
  4. Step 4: Simplify right side
    4,318.54x = 9,050,121.54
  5. Step 5: Solve for x
    x = 9,050,121.54/4,318.54
  6. Step 6: Final answer
    x = 2,095.64

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Why These Related Problems?

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