Home / 6,102.18-8,421.30-3,450.42

Finding the Fourth Proportional to 6,102.18, 8,421.30 and 3,450.42

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Solution

The fourth proportional to 6,102.18, 8,421.30 and 3,450.42 is: 4,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.18 : 8,421.30 = 3,450.42 : x
  2. Step 2: Convert to fraction form
    6,102.18/8,421.30 = 3,450.42/x
  3. Step 3: Cross multiply
    6,102.18x = 8,421.30 × 3,450.42
  4. Step 4: Simplify right side
    6,102.18x = 29,057,021.95
  5. Step 5: Solve for x
    x = 29,057,021.95/6,102.18
  6. Step 6: Final answer
    x = 4,761.74

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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.