Home / 6,297.78-9,448.07-1,915.57

Finding the Fourth Proportional to 6,297.78, 9,448.07 and 1,915.57

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Solution

The fourth proportional to 6,297.78, 9,448.07 and 1,915.57 is: 2,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297.78 : 9,448.07 = 1,915.57 : x
  2. Step 2: Convert to fraction form
    6,297.78/9,448.07 = 1,915.57/x
  3. Step 3: Cross multiply
    6,297.78x = 9,448.07 × 1,915.57
  4. Step 4: Simplify right side
    6,297.78x = 18,098,473.64
  5. Step 5: Solve for x
    x = 18,098,473.64/6,297.78
  6. Step 6: Final answer
    x = 2,873.79

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1.5x scale

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.