Home / 6,199.77-8,555.16-3,405.27

Finding the Fourth Proportional to 6,199.77, 8,555.16 and 3,405.27

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Solution

The fourth proportional to 6,199.77, 8,555.16 and 3,405.27 is: 4,698.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.77 : 8,555.16 = 3,405.27 : x
  2. Step 2: Convert to fraction form
    6,199.77/8,555.16 = 3,405.27/x
  3. Step 3: Cross multiply
    6,199.77x = 8,555.16 × 3,405.27
  4. Step 4: Simplify right side
    6,199.77x = 29,132,629.69
  5. Step 5: Solve for x
    x = 29,132,629.69/6,199.77
  6. Step 6: Final answer
    x = 4,698.99

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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.