Home / 4,620.86-6,378.88-2,944.56

Finding the Fourth Proportional to 4,620.86, 6,378.88 and 2,944.56

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Solution

The fourth proportional to 4,620.86, 6,378.88 and 2,944.56 is: 4,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.86 : 6,378.88 = 2,944.56 : x
  2. Step 2: Convert to fraction form
    4,620.86/6,378.88 = 2,944.56/x
  3. Step 3: Cross multiply
    4,620.86x = 6,378.88 × 2,944.56
  4. Step 4: Simplify right side
    4,620.86x = 18,782,994.89
  5. Step 5: Solve for x
    x = 18,782,994.89/4,620.86
  6. Step 6: Final answer
    x = 4,064.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.