Home / 7,696.55-11,546.58-2,431.53

Finding the Fourth Proportional to 7,696.55, 11,546.58 and 2,431.53

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Solution

The fourth proportional to 7,696.55, 11,546.58 and 2,431.53 is: 3,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.55 : 11,546.58 = 2,431.53 : x
  2. Step 2: Convert to fraction form
    7,696.55/11,546.58 = 2,431.53/x
  3. Step 3: Cross multiply
    7,696.55x = 11,546.58 × 2,431.53
  4. Step 4: Simplify right side
    7,696.55x = 28,075,855.67
  5. Step 5: Solve for x
    x = 28,075,855.67/7,696.55
  6. Step 6: Final answer
    x = 3,647.85

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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.