Home / 6,420.57-9,633.84-2,723.67

Finding the Fourth Proportional to 6,420.57, 9,633.84 and 2,723.67

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Solution

The fourth proportional to 6,420.57, 9,633.84 and 2,723.67 is: 4,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.57 : 9,633.84 = 2,723.67 : x
  2. Step 2: Convert to fraction form
    6,420.57/9,633.84 = 2,723.67/x
  3. Step 3: Cross multiply
    6,420.57x = 9,633.84 × 2,723.67
  4. Step 4: Simplify right side
    6,420.57x = 26,239,400.99
  5. Step 5: Solve for x
    x = 26,239,400.99/6,420.57
  6. Step 6: Final answer
    x = 4,086.77

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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.