Home / 4,976.42-6,868.45-2,853.38

Finding the Fourth Proportional to 4,976.42, 6,868.45 and 2,853.38

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Solution

The fourth proportional to 4,976.42, 6,868.45 and 2,853.38 is: 3,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.42 : 6,868.45 = 2,853.38 : x
  2. Step 2: Convert to fraction form
    4,976.42/6,868.45 = 2,853.38/x
  3. Step 3: Cross multiply
    4,976.42x = 6,868.45 × 2,853.38
  4. Step 4: Simplify right side
    4,976.42x = 19,598,297.86
  5. Step 5: Solve for x
    x = 19,598,297.86/4,976.42
  6. Step 6: Final answer
    x = 3,938.23

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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.