Home / 4,738.27-7,100.23-2,655.15

Finding the Fourth Proportional to 4,738.27, 7,100.23 and 2,655.15

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Solution

The fourth proportional to 4,738.27, 7,100.23 and 2,655.15 is: 3,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.27 : 7,100.23 = 2,655.15 : x
  2. Step 2: Convert to fraction form
    4,738.27/7,100.23 = 2,655.15/x
  3. Step 3: Cross multiply
    4,738.27x = 7,100.23 × 2,655.15
  4. Step 4: Simplify right side
    4,738.27x = 18,852,214.77
  5. Step 5: Solve for x
    x = 18,852,214.77/4,738.27
  6. Step 6: Final answer
    x = 3,978.71

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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.