Home / 6,239.08-8,609.79-3,406.34

Finding the Fourth Proportional to 6,239.08, 8,609.79 and 3,406.34

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Solution

The fourth proportional to 6,239.08, 8,609.79 and 3,406.34 is: 4,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.08 : 8,609.79 = 3,406.34 : x
  2. Step 2: Convert to fraction form
    6,239.08/8,609.79 = 3,406.34/x
  3. Step 3: Cross multiply
    6,239.08x = 8,609.79 × 3,406.34
  4. Step 4: Simplify right side
    6,239.08x = 29,327,872.07
  5. Step 5: Solve for x
    x = 29,327,872.07/6,239.08
  6. Step 6: Final answer
    x = 4,700.67

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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.