Home / 6,678.25-9,215.62-3,693.60

Finding the Fourth Proportional to 6,678.25, 9,215.62 and 3,693.60

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Solution

The fourth proportional to 6,678.25, 9,215.62 and 3,693.60 is: 5,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.25 : 9,215.62 = 3,693.60 : x
  2. Step 2: Convert to fraction form
    6,678.25/9,215.62 = 3,693.60/x
  3. Step 3: Cross multiply
    6,678.25x = 9,215.62 × 3,693.60
  4. Step 4: Simplify right side
    6,678.25x = 34,038,825.57
  5. Step 5: Solve for x
    x = 34,038,825.57/6,678.25
  6. Step 6: Final answer
    x = 5,096.97

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1.5x scale

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.