Home / 6,270.42-8,653.28-3,438.05

Finding the Fourth Proportional to 6,270.42, 8,653.28 and 3,438.05

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Solution

The fourth proportional to 6,270.42, 8,653.28 and 3,438.05 is: 4,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.42 : 8,653.28 = 3,438.05 : x
  2. Step 2: Convert to fraction form
    6,270.42/8,653.28 = 3,438.05/x
  3. Step 3: Cross multiply
    6,270.42x = 8,653.28 × 3,438.05
  4. Step 4: Simplify right side
    6,270.42x = 29,750,413.75
  5. Step 5: Solve for x
    x = 29,750,413.75/6,270.42
  6. Step 6: Final answer
    x = 4,744.56

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Why These Related Problems?

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