Home / 6,174.50-8,520.84-3,521.88

Finding the Fourth Proportional to 6,174.50, 8,520.84 and 3,521.88

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Solution

The fourth proportional to 6,174.50, 8,520.84 and 3,521.88 is: 4,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.50 : 8,520.84 = 3,521.88 : x
  2. Step 2: Convert to fraction form
    6,174.50/8,520.84 = 3,521.88/x
  3. Step 3: Cross multiply
    6,174.50x = 8,520.84 × 3,521.88
  4. Step 4: Simplify right side
    6,174.50x = 30,009,375.98
  5. Step 5: Solve for x
    x = 30,009,375.98/6,174.50
  6. Step 6: Final answer
    x = 4,860.21

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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.