Home / 4,985.69-6,880.32-2,747.55

Finding the Fourth Proportional to 4,985.69, 6,880.32 and 2,747.55

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Solution

The fourth proportional to 4,985.69, 6,880.32 and 2,747.55 is: 3,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.69 : 6,880.32 = 2,747.55 : x
  2. Step 2: Convert to fraction form
    4,985.69/6,880.32 = 2,747.55/x
  3. Step 3: Cross multiply
    4,985.69x = 6,880.32 × 2,747.55
  4. Step 4: Simplify right side
    4,985.69x = 18,904,023.22
  5. Step 5: Solve for x
    x = 18,904,023.22/4,985.69
  6. Step 6: Final answer
    x = 3,791.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.