Home / 7,572.45-10,450.26-4,215.12

Finding the Fourth Proportional to 7,572.45, 10,450.26 and 4,215.12

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Solution

The fourth proportional to 7,572.45, 10,450.26 and 4,215.12 is: 5,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.45 : 10,450.26 = 4,215.12 : x
  2. Step 2: Convert to fraction form
    7,572.45/10,450.26 = 4,215.12/x
  3. Step 3: Cross multiply
    7,572.45x = 10,450.26 × 4,215.12
  4. Step 4: Simplify right side
    7,572.45x = 44,049,099.93
  5. Step 5: Solve for x
    x = 44,049,099.93/7,572.45
  6. Step 6: Final answer
    x = 5,817.02

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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.