Home / 6,693.21-9,236.70-3,709.09

Finding the Fourth Proportional to 6,693.21, 9,236.70 and 3,709.09

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Solution

The fourth proportional to 6,693.21, 9,236.70 and 3,709.09 is: 5,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.21 : 9,236.70 = 3,709.09 : x
  2. Step 2: Convert to fraction form
    6,693.21/9,236.70 = 3,709.09/x
  3. Step 3: Cross multiply
    6,693.21x = 9,236.70 × 3,709.09
  4. Step 4: Simplify right side
    6,693.21x = 34,259,728.51
  5. Step 5: Solve for x
    x = 34,259,728.51/6,693.21
  6. Step 6: Final answer
    x = 5,118.58

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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.