Home / 4,579.40-6,863.70-3,423.80

Finding the Fourth Proportional to 4,579.40, 6,863.70 and 3,423.80

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Solution

The fourth proportional to 4,579.40, 6,863.70 and 3,423.80 is: 5,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.40 : 6,863.70 = 3,423.80 : x
  2. Step 2: Convert to fraction form
    4,579.40/6,863.70 = 3,423.80/x
  3. Step 3: Cross multiply
    4,579.40x = 6,863.70 × 3,423.80
  4. Step 4: Simplify right side
    4,579.40x = 23,499,936.06
  5. Step 5: Solve for x
    x = 23,499,936.06/4,579.40
  6. Step 6: Final answer
    x = 5,131.66

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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.