Home / 4,284.10-6,390.01-3,906.82

Finding the Fourth Proportional to 4,284.10, 6,390.01 and 3,906.82

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Solution

The fourth proportional to 4,284.10, 6,390.01 and 3,906.82 is: 5,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.10 : 6,390.01 = 3,906.82 : x
  2. Step 2: Convert to fraction form
    4,284.10/6,390.01 = 3,906.82/x
  3. Step 3: Cross multiply
    4,284.10x = 6,390.01 × 3,906.82
  4. Step 4: Simplify right side
    4,284.10x = 24,964,618.87
  5. Step 5: Solve for x
    x = 24,964,618.87/4,284.10
  6. Step 6: Final answer
    x = 5,827.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.