Home / 6,832.21-9,428.46-3,999.07

Finding the Fourth Proportional to 6,832.21, 9,428.46 and 3,999.07

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Solution

The fourth proportional to 6,832.21, 9,428.46 and 3,999.07 is: 5,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,832.21 : 9,428.46 = 3,999.07 : x
  2. Step 2: Convert to fraction form
    6,832.21/9,428.46 = 3,999.07/x
  3. Step 3: Cross multiply
    6,832.21x = 9,428.46 × 3,999.07
  4. Step 4: Simplify right side
    6,832.21x = 37,705,071.53
  5. Step 5: Solve for x
    x = 37,705,071.53/6,832.21
  6. Step 6: Final answer
    x = 5,518.72

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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.