Home / 5,538.65-7,639.70-3,546.05

Finding the Fourth Proportional to 5,538.65, 7,639.70 and 3,546.05

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Solution

The fourth proportional to 5,538.65, 7,639.70 and 3,546.05 is: 4,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.65 : 7,639.70 = 3,546.05 : x
  2. Step 2: Convert to fraction form
    5,538.65/7,639.70 = 3,546.05/x
  3. Step 3: Cross multiply
    5,538.65x = 7,639.70 × 3,546.05
  4. Step 4: Simplify right side
    5,538.65x = 27,090,702.26
  5. Step 5: Solve for x
    x = 27,090,702.26/5,538.65
  6. Step 6: Final answer
    x = 4,891.21

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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.