Home / 6,912.30-10,364.40-4,723.68

Finding the Fourth Proportional to 6,912.30, 10,364.40 and 4,723.68

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Solution

The fourth proportional to 6,912.30, 10,364.40 and 4,723.68 is: 7,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.30 : 10,364.40 = 4,723.68 : x
  2. Step 2: Convert to fraction form
    6,912.30/10,364.40 = 4,723.68/x
  3. Step 3: Cross multiply
    6,912.30x = 10,364.40 × 4,723.68
  4. Step 4: Simplify right side
    6,912.30x = 48,958,108.99
  5. Step 5: Solve for x
    x = 48,958,108.99/6,912.30
  6. Step 6: Final answer
    x = 7,082.75

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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.