Home / 6,529.79-9,790.34-3,369.20

Finding the Fourth Proportional to 6,529.79, 9,790.34 and 3,369.20

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Solution

The fourth proportional to 6,529.79, 9,790.34 and 3,369.20 is: 5,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,529.79 : 9,790.34 = 3,369.20 : x
  2. Step 2: Convert to fraction form
    6,529.79/9,790.34 = 3,369.20/x
  3. Step 3: Cross multiply
    6,529.79x = 9,790.34 × 3,369.20
  4. Step 4: Simplify right side
    6,529.79x = 32,985,613.53
  5. Step 5: Solve for x
    x = 32,985,613.53/6,529.79
  6. Step 6: Final answer
    x = 5,051.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.