Home / 4,425.11-6,638.57-1,828.05

Finding the Fourth Proportional to 4,425.11, 6,638.57 and 1,828.05

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Solution

The fourth proportional to 4,425.11, 6,638.57 and 1,828.05 is: 2,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.11 : 6,638.57 = 1,828.05 : x
  2. Step 2: Convert to fraction form
    4,425.11/6,638.57 = 1,828.05/x
  3. Step 3: Cross multiply
    4,425.11x = 6,638.57 × 1,828.05
  4. Step 4: Simplify right side
    4,425.11x = 12,135,637.89
  5. Step 5: Solve for x
    x = 12,135,637.89/4,425.11
  6. Step 6: Final answer
    x = 2,742.45

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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.