Home / 6,102.50-8,421.35-3,449.81

Finding the Fourth Proportional to 6,102.50, 8,421.35 and 3,449.81

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Solution

The fourth proportional to 6,102.50, 8,421.35 and 3,449.81 is: 4,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.50 : 8,421.35 = 3,449.81 : x
  2. Step 2: Convert to fraction form
    6,102.50/8,421.35 = 3,449.81/x
  3. Step 3: Cross multiply
    6,102.50x = 8,421.35 × 3,449.81
  4. Step 4: Simplify right side
    6,102.50x = 29,051,998.09
  5. Step 5: Solve for x
    x = 29,051,998.09/6,102.50
  6. Step 6: Final answer
    x = 4,760.68

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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.