Home / 7,769.34-11,642.67-3,868.38

Finding the Fourth Proportional to 7,769.34, 11,642.67 and 3,868.38

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Solution

The fourth proportional to 7,769.34, 11,642.67 and 3,868.38 is: 5,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.34 : 11,642.67 = 3,868.38 : x
  2. Step 2: Convert to fraction form
    7,769.34/11,642.67 = 3,868.38/x
  3. Step 3: Cross multiply
    7,769.34x = 11,642.67 × 3,868.38
  4. Step 4: Simplify right side
    7,769.34x = 45,038,271.77
  5. Step 5: Solve for x
    x = 45,038,271.77/7,769.34
  6. Step 6: Final answer
    x = 5,796.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.