Home / 4,228.32-6,308.96-4,203.84

Finding the Fourth Proportional to 4,228.32, 6,308.96 and 4,203.84

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Solution

The fourth proportional to 4,228.32, 6,308.96 and 4,203.84 is: 6,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.32 : 6,308.96 = 4,203.84 : x
  2. Step 2: Convert to fraction form
    4,228.32/6,308.96 = 4,203.84/x
  3. Step 3: Cross multiply
    4,228.32x = 6,308.96 × 4,203.84
  4. Step 4: Simplify right side
    4,228.32x = 26,521,858.41
  5. Step 5: Solve for x
    x = 26,521,858.41/4,228.32
  6. Step 6: Final answer
    x = 6,272.43

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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.