Home / 4,402.80-6,605.72-2,757.40

Finding the Fourth Proportional to 4,402.80, 6,605.72 and 2,757.40

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Solution

The fourth proportional to 4,402.80, 6,605.72 and 2,757.40 is: 4,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,402.80 : 6,605.72 = 2,757.40 : x
  2. Step 2: Convert to fraction form
    4,402.80/6,605.72 = 2,757.40/x
  3. Step 3: Cross multiply
    4,402.80x = 6,605.72 × 2,757.40
  4. Step 4: Simplify right side
    4,402.80x = 18,214,612.33
  5. Step 5: Solve for x
    x = 18,214,612.33/4,402.80
  6. Step 6: Final answer
    x = 4,137.05

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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.