Home / 7,643.33-11,466.78-2,378.08

Finding the Fourth Proportional to 7,643.33, 11,466.78 and 2,378.08

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Solution

The fourth proportional to 7,643.33, 11,466.78 and 2,378.08 is: 3,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.33 : 11,466.78 = 2,378.08 : x
  2. Step 2: Convert to fraction form
    7,643.33/11,466.78 = 2,378.08/x
  3. Step 3: Cross multiply
    7,643.33x = 11,466.78 × 2,378.08
  4. Step 4: Simplify right side
    7,643.33x = 27,268,850.96
  5. Step 5: Solve for x
    x = 27,268,850.96/7,643.33
  6. Step 6: Final answer
    x = 3,567.67

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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.