Home / 4,219.72-6,303.27-3,126.22

Finding the Fourth Proportional to 4,219.72, 6,303.27 and 3,126.22

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Solution

The fourth proportional to 4,219.72, 6,303.27 and 3,126.22 is: 4,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.72 : 6,303.27 = 3,126.22 : x
  2. Step 2: Convert to fraction form
    4,219.72/6,303.27 = 3,126.22/x
  3. Step 3: Cross multiply
    4,219.72x = 6,303.27 × 3,126.22
  4. Step 4: Simplify right side
    4,219.72x = 19,705,361.59
  5. Step 5: Solve for x
    x = 19,705,361.59/4,219.72
  6. Step 6: Final answer
    x = 4,669.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.