Home / 6,528.26-9,792.40-3,930.60

Finding the Fourth Proportional to 6,528.26, 9,792.40 and 3,930.60

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Solution

The fourth proportional to 6,528.26, 9,792.40 and 3,930.60 is: 5,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.26 : 9,792.40 = 3,930.60 : x
  2. Step 2: Convert to fraction form
    6,528.26/9,792.40 = 3,930.60/x
  3. Step 3: Cross multiply
    6,528.26x = 9,792.40 × 3,930.60
  4. Step 4: Simplify right side
    6,528.26x = 38,490,007.44
  5. Step 5: Solve for x
    x = 38,490,007.44/6,528.26
  6. Step 6: Final answer
    x = 5,895.91

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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.