Home / 6,627.27-9,145.81-3,643.15

Finding the Fourth Proportional to 6,627.27, 9,145.81 and 3,643.15

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Solution

The fourth proportional to 6,627.27, 9,145.81 and 3,643.15 is: 5,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.27 : 9,145.81 = 3,643.15 : x
  2. Step 2: Convert to fraction form
    6,627.27/9,145.81 = 3,643.15/x
  3. Step 3: Cross multiply
    6,627.27x = 9,145.81 × 3,643.15
  4. Step 4: Simplify right side
    6,627.27x = 33,319,580.57
  5. Step 5: Solve for x
    x = 33,319,580.57/6,627.27
  6. Step 6: Final answer
    x = 5,027.65

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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.