Home / 4,285.98-6,423.66-1,818

Finding the Fourth Proportional to 4,285.98, 6,423.66 and 1,818

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Solution

The fourth proportional to 4,285.98, 6,423.66 and 1,818 is: 2,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.98 : 6,423.66 = 1,818 : x
  2. Step 2: Convert to fraction form
    4,285.98/6,423.66 = 1,818/x
  3. Step 3: Cross multiply
    4,285.98x = 6,423.66 × 1,818
  4. Step 4: Simplify right side
    4,285.98x = 11,678,213.88
  5. Step 5: Solve for x
    x = 11,678,213.88/4,285.98
  6. Step 6: Final answer
    x = 2,724.75

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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.