Home / 4,228.25-6,342.38-3,971.35

Finding the Fourth Proportional to 4,228.25, 6,342.38 and 3,971.35

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Solution

The fourth proportional to 4,228.25, 6,342.38 and 3,971.35 is: 5,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.25 : 6,342.38 = 3,971.35 : x
  2. Step 2: Convert to fraction form
    4,228.25/6,342.38 = 3,971.35/x
  3. Step 3: Cross multiply
    4,228.25x = 6,342.38 × 3,971.35
  4. Step 4: Simplify right side
    4,228.25x = 25,187,810.81
  5. Step 5: Solve for x
    x = 25,187,810.81/4,228.25
  6. Step 6: Final answer
    x = 5,957.03

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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.