Home / 4,152.22-6,230.79-1,686.85

Finding the Fourth Proportional to 4,152.22, 6,230.79 and 1,686.85

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Solution

The fourth proportional to 4,152.22, 6,230.79 and 1,686.85 is: 2,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.22 : 6,230.79 = 1,686.85 : x
  2. Step 2: Convert to fraction form
    4,152.22/6,230.79 = 1,686.85/x
  3. Step 3: Cross multiply
    4,152.22x = 6,230.79 × 1,686.85
  4. Step 4: Simplify right side
    4,152.22x = 10,510,399.68
  5. Step 5: Solve for x
    x = 10,510,399.68/4,152.22
  6. Step 6: Final answer
    x = 2,531.27

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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.