Home / 6,523.30-9,783.96-2,140.75

Finding the Fourth Proportional to 6,523.30, 9,783.96 and 2,140.75

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Solution

The fourth proportional to 6,523.30, 9,783.96 and 2,140.75 is: 3,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,523.30 : 9,783.96 = 2,140.75 : x
  2. Step 2: Convert to fraction form
    6,523.30/9,783.96 = 2,140.75/x
  3. Step 3: Cross multiply
    6,523.30x = 9,783.96 × 2,140.75
  4. Step 4: Simplify right side
    6,523.30x = 20,945,012.37
  5. Step 5: Solve for x
    x = 20,945,012.37/6,523.30
  6. Step 6: Final answer
    x = 3,210.80

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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.