Home / 4,323.40-6,494.70-4,208.20

Finding the Fourth Proportional to 4,323.40, 6,494.70 and 4,208.20

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Solution

The fourth proportional to 4,323.40, 6,494.70 and 4,208.20 is: 6,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.40 : 6,494.70 = 4,208.20 : x
  2. Step 2: Convert to fraction form
    4,323.40/6,494.70 = 4,208.20/x
  3. Step 3: Cross multiply
    4,323.40x = 6,494.70 × 4,208.20
  4. Step 4: Simplify right side
    4,323.40x = 27,330,996.54
  5. Step 5: Solve for x
    x = 27,330,996.54/4,323.40
  6. Step 6: Final answer
    x = 6,321.64

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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.