Home / 6,174.21-8,518.72-3,520.65

Finding the Fourth Proportional to 6,174.21, 8,518.72 and 3,520.65

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Solution

The fourth proportional to 6,174.21, 8,518.72 and 3,520.65 is: 4,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.21 : 8,518.72 = 3,520.65 : x
  2. Step 2: Convert to fraction form
    6,174.21/8,518.72 = 3,520.65/x
  3. Step 3: Cross multiply
    6,174.21x = 8,518.72 × 3,520.65
  4. Step 4: Simplify right side
    6,174.21x = 29,991,431.57
  5. Step 5: Solve for x
    x = 29,991,431.57/6,174.21
  6. Step 6: Final answer
    x = 4,857.53

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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.