Home / 6,693.72-9,236.67-3,861.36

Finding the Fourth Proportional to 6,693.72, 9,236.67 and 3,861.36

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Solution

The fourth proportional to 6,693.72, 9,236.67 and 3,861.36 is: 5,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.72 : 9,236.67 = 3,861.36 : x
  2. Step 2: Convert to fraction form
    6,693.72/9,236.67 = 3,861.36/x
  3. Step 3: Cross multiply
    6,693.72x = 9,236.67 × 3,861.36
  4. Step 4: Simplify right side
    6,693.72x = 35,666,108.07
  5. Step 5: Solve for x
    x = 35,666,108.07/6,693.72
  6. Step 6: Final answer
    x = 5,328.29

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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.