Home / 6,745.61-10,120.85-3,045.03

Finding the Fourth Proportional to 6,745.61, 10,120.85 and 3,045.03

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Solution

The fourth proportional to 6,745.61, 10,120.85 and 3,045.03 is: 4,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.61 : 10,120.85 = 3,045.03 : x
  2. Step 2: Convert to fraction form
    6,745.61/10,120.85 = 3,045.03/x
  3. Step 3: Cross multiply
    6,745.61x = 10,120.85 × 3,045.03
  4. Step 4: Simplify right side
    6,745.61x = 30,818,250.12
  5. Step 5: Solve for x
    x = 30,818,250.12/6,745.61
  6. Step 6: Final answer
    x = 4,568.64

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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.