Home / 4,738.54-7,106.98-2,140.86

Finding the Fourth Proportional to 4,738.54, 7,106.98 and 2,140.86

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Solution

The fourth proportional to 4,738.54, 7,106.98 and 2,140.86 is: 3,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.54 : 7,106.98 = 2,140.86 : x
  2. Step 2: Convert to fraction form
    4,738.54/7,106.98 = 2,140.86/x
  3. Step 3: Cross multiply
    4,738.54x = 7,106.98 × 2,140.86
  4. Step 4: Simplify right side
    4,738.54x = 15,215,049.20
  5. Step 5: Solve for x
    x = 15,215,049.20/4,738.54
  6. Step 6: Final answer
    x = 3,210.92

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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.