Home / 4,619.20-6,373.80-2,629.84

Finding the Fourth Proportional to 4,619.20, 6,373.80 and 2,629.84

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Solution

The fourth proportional to 4,619.20, 6,373.80 and 2,629.84 is: 3,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.20 : 6,373.80 = 2,629.84 : x
  2. Step 2: Convert to fraction form
    4,619.20/6,373.80 = 2,629.84/x
  3. Step 3: Cross multiply
    4,619.20x = 6,373.80 × 2,629.84
  4. Step 4: Simplify right side
    4,619.20x = 16,762,074.19
  5. Step 5: Solve for x
    x = 16,762,074.19/4,619.20
  6. Step 6: Final answer
    x = 3,628.78

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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.