Home / 4,188.85-6,275.06-3,409.69

Finding the Fourth Proportional to 4,188.85, 6,275.06 and 3,409.69

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Solution

The fourth proportional to 4,188.85, 6,275.06 and 3,409.69 is: 5,107.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.85 : 6,275.06 = 3,409.69 : x
  2. Step 2: Convert to fraction form
    4,188.85/6,275.06 = 3,409.69/x
  3. Step 3: Cross multiply
    4,188.85x = 6,275.06 × 3,409.69
  4. Step 4: Simplify right side
    4,188.85x = 21,395,992.28
  5. Step 5: Solve for x
    x = 21,395,992.28/4,188.85
  6. Step 6: Final answer
    x = 5,107.84

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1.5x scale

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.