Home / 6,328.20-8,732.84-3,675.72

Finding the Fourth Proportional to 6,328.20, 8,732.84 and 3,675.72

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Solution

The fourth proportional to 6,328.20, 8,732.84 and 3,675.72 is: 5,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.20 : 8,732.84 = 3,675.72 : x
  2. Step 2: Convert to fraction form
    6,328.20/8,732.84 = 3,675.72/x
  3. Step 3: Cross multiply
    6,328.20x = 8,732.84 × 3,675.72
  4. Step 4: Simplify right side
    6,328.20x = 32,099,474.64
  5. Step 5: Solve for x
    x = 32,099,474.64/6,328.20
  6. Step 6: Final answer
    x = 5,072.45

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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.