Home / 4,220.90-6,331.42-1,450.76

Finding the Fourth Proportional to 4,220.90, 6,331.42 and 1,450.76

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Solution

The fourth proportional to 4,220.90, 6,331.42 and 1,450.76 is: 2,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.90 : 6,331.42 = 1,450.76 : x
  2. Step 2: Convert to fraction form
    4,220.90/6,331.42 = 1,450.76/x
  3. Step 3: Cross multiply
    4,220.90x = 6,331.42 × 1,450.76
  4. Step 4: Simplify right side
    4,220.90x = 9,185,370.88
  5. Step 5: Solve for x
    x = 9,185,370.88/4,220.90
  6. Step 6: Final answer
    x = 2,176.16

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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.