Home / 4,220.36-6,282.05-4,157.96

Finding the Fourth Proportional to 4,220.36, 6,282.05 and 4,157.96

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Solution

The fourth proportional to 4,220.36, 6,282.05 and 4,157.96 is: 6,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.36 : 6,282.05 = 4,157.96 : x
  2. Step 2: Convert to fraction form
    4,220.36/6,282.05 = 4,157.96/x
  3. Step 3: Cross multiply
    4,220.36x = 6,282.05 × 4,157.96
  4. Step 4: Simplify right side
    4,220.36x = 26,120,512.62
  5. Step 5: Solve for x
    x = 26,120,512.62/4,220.36
  6. Step 6: Final answer
    x = 6,189.17

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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.