Home / 4,685.45-7,022.70-3,762.05

Finding the Fourth Proportional to 4,685.45, 7,022.70 and 3,762.05

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Solution

The fourth proportional to 4,685.45, 7,022.70 and 3,762.05 is: 5,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.45 : 7,022.70 = 3,762.05 : x
  2. Step 2: Convert to fraction form
    4,685.45/7,022.70 = 3,762.05/x
  3. Step 3: Cross multiply
    4,685.45x = 7,022.70 × 3,762.05
  4. Step 4: Simplify right side
    4,685.45x = 26,419,713.42
  5. Step 5: Solve for x
    x = 26,419,713.42/4,685.45
  6. Step 6: Final answer
    x = 5,638.68

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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.