Home / 8,575.40-11,832.26-5,220.12

Finding the Fourth Proportional to 8,575.40, 11,832.26 and 5,220.12

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Solution

The fourth proportional to 8,575.40, 11,832.26 and 5,220.12 is: 7,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.40 : 11,832.26 = 5,220.12 : x
  2. Step 2: Convert to fraction form
    8,575.40/11,832.26 = 5,220.12/x
  3. Step 3: Cross multiply
    8,575.40x = 11,832.26 × 5,220.12
  4. Step 4: Simplify right side
    8,575.40x = 61,765,817.07
  5. Step 5: Solve for x
    x = 61,765,817.07/8,575.40
  6. Step 6: Final answer
    x = 7,202.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.