Home / 4,077.85-5,626.14-2,818.97

Finding the Fourth Proportional to 4,077.85, 5,626.14 and 2,818.97

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Solution

The fourth proportional to 4,077.85, 5,626.14 and 2,818.97 is: 3,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.85 : 5,626.14 = 2,818.97 : x
  2. Step 2: Convert to fraction form
    4,077.85/5,626.14 = 2,818.97/x
  3. Step 3: Cross multiply
    4,077.85x = 5,626.14 × 2,818.97
  4. Step 4: Simplify right side
    4,077.85x = 15,859,919.88
  5. Step 5: Solve for x
    x = 15,859,919.88/4,077.85
  6. Step 6: Final answer
    x = 3,889.28

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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.