Home / 6,528.78-9,009.81-3,544.62

Finding the Fourth Proportional to 6,528.78, 9,009.81 and 3,544.62

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Solution

The fourth proportional to 6,528.78, 9,009.81 and 3,544.62 is: 4,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.78 : 9,009.81 = 3,544.62 : x
  2. Step 2: Convert to fraction form
    6,528.78/9,009.81 = 3,544.62/x
  3. Step 3: Cross multiply
    6,528.78x = 9,009.81 × 3,544.62
  4. Step 4: Simplify right side
    6,528.78x = 31,936,352.72
  5. Step 5: Solve for x
    x = 31,936,352.72/6,528.78
  6. Step 6: Final answer
    x = 4,891.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.