Home / 4,255.34-6,384.35-1,623.65

Finding the Fourth Proportional to 4,255.34, 6,384.35 and 1,623.65

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Solution

The fourth proportional to 4,255.34, 6,384.35 and 1,623.65 is: 2,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.34 : 6,384.35 = 1,623.65 : x
  2. Step 2: Convert to fraction form
    4,255.34/6,384.35 = 1,623.65/x
  3. Step 3: Cross multiply
    4,255.34x = 6,384.35 × 1,623.65
  4. Step 4: Simplify right side
    4,255.34x = 10,365,922.01
  5. Step 5: Solve for x
    x = 10,365,922.01/4,255.34
  6. Step 6: Final answer
    x = 2,435.98

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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.