Home / 6,578.21-9,077.99-3,745.45

Finding the Fourth Proportional to 6,578.21, 9,077.99 and 3,745.45

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Solution

The fourth proportional to 6,578.21, 9,077.99 and 3,745.45 is: 5,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,578.21 : 9,077.99 = 3,745.45 : x
  2. Step 2: Convert to fraction form
    6,578.21/9,077.99 = 3,745.45/x
  3. Step 3: Cross multiply
    6,578.21x = 9,077.99 × 3,745.45
  4. Step 4: Simplify right side
    6,578.21x = 34,001,157.65
  5. Step 5: Solve for x
    x = 34,001,157.65/6,578.21
  6. Step 6: Final answer
    x = 5,168.76

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1.5x scale

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.