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Finding the Fourth Proportional to 4,425.98, 6,641.96 and 1,828.94

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Solution

The fourth proportional to 4,425.98, 6,641.96 and 1,828.94 is: 2,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.98 : 6,641.96 = 1,828.94 : x
  2. Step 2: Convert to fraction form
    4,425.98/6,641.96 = 1,828.94/x
  3. Step 3: Cross multiply
    4,425.98x = 6,641.96 × 1,828.94
  4. Step 4: Simplify right side
    4,425.98x = 12,147,703.97
  5. Step 5: Solve for x
    x = 12,147,703.97/4,425.98
  6. Step 6: Final answer
    x = 2,744.64

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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.