Home / 4,220.22-6,330.26-1,623.72

Finding the Fourth Proportional to 4,220.22, 6,330.26 and 1,623.72

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Solution

The fourth proportional to 4,220.22, 6,330.26 and 1,623.72 is: 2,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.22 : 6,330.26 = 1,623.72 : x
  2. Step 2: Convert to fraction form
    4,220.22/6,330.26 = 1,623.72/x
  3. Step 3: Cross multiply
    4,220.22x = 6,330.26 × 1,623.72
  4. Step 4: Simplify right side
    4,220.22x = 10,278,569.77
  5. Step 5: Solve for x
    x = 10,278,569.77/4,220.22
  6. Step 6: Final answer
    x = 2,435.55

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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.