Home / 4,985.73-6,880.28-2,747.62

Finding the Fourth Proportional to 4,985.73, 6,880.28 and 2,747.62

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Solution

The fourth proportional to 4,985.73, 6,880.28 and 2,747.62 is: 3,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.73 : 6,880.28 = 2,747.62 : x
  2. Step 2: Convert to fraction form
    4,985.73/6,880.28 = 2,747.62/x
  3. Step 3: Cross multiply
    4,985.73x = 6,880.28 × 2,747.62
  4. Step 4: Simplify right side
    4,985.73x = 18,904,394.93
  5. Step 5: Solve for x
    x = 18,904,394.93/4,985.73
  6. Step 6: Final answer
    x = 3,791.70

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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.