Home / 4,976.40-6,866.19-3,205.88

Finding the Fourth Proportional to 4,976.40, 6,866.19 and 3,205.88

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Solution

The fourth proportional to 4,976.40, 6,866.19 and 3,205.88 is: 4,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.40 : 6,866.19 = 3,205.88 : x
  2. Step 2: Convert to fraction form
    4,976.40/6,866.19 = 3,205.88/x
  3. Step 3: Cross multiply
    4,976.40x = 6,866.19 × 3,205.88
  4. Step 4: Simplify right side
    4,976.40x = 22,012,146.87
  5. Step 5: Solve for x
    x = 22,012,146.87/4,976.40
  6. Step 6: Final answer
    x = 4,423.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.