Home / 6,238.24-8,608.64-3,405.67

Finding the Fourth Proportional to 6,238.24, 8,608.64 and 3,405.67

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Solution

The fourth proportional to 6,238.24, 8,608.64 and 3,405.67 is: 4,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.24 : 8,608.64 = 3,405.67 : x
  2. Step 2: Convert to fraction form
    6,238.24/8,608.64 = 3,405.67/x
  3. Step 3: Cross multiply
    6,238.24x = 8,608.64 × 3,405.67
  4. Step 4: Simplify right side
    6,238.24x = 29,318,186.99
  5. Step 5: Solve for x
    x = 29,318,186.99/6,238.24
  6. Step 6: Final answer
    x = 4,699.75

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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.