Home / 4,220.86-6,301.70-3,806.14

Finding the Fourth Proportional to 4,220.86, 6,301.70 and 3,806.14

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Solution

The fourth proportional to 4,220.86, 6,301.70 and 3,806.14 is: 5,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.86 : 6,301.70 = 3,806.14 : x
  2. Step 2: Convert to fraction form
    4,220.86/6,301.70 = 3,806.14/x
  3. Step 3: Cross multiply
    4,220.86x = 6,301.70 × 3,806.14
  4. Step 4: Simplify right side
    4,220.86x = 23,985,152.44
  5. Step 5: Solve for x
    x = 23,985,152.44/4,220.86
  6. Step 6: Final answer
    x = 5,682.53

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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.