Home / 4,985.84-6,880.21-2,747.35

Finding the Fourth Proportional to 4,985.84, 6,880.21 and 2,747.35

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Solution

The fourth proportional to 4,985.84, 6,880.21 and 2,747.35 is: 3,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.84 : 6,880.21 = 2,747.35 : x
  2. Step 2: Convert to fraction form
    4,985.84/6,880.21 = 2,747.35/x
  3. Step 3: Cross multiply
    4,985.84x = 6,880.21 × 2,747.35
  4. Step 4: Simplify right side
    4,985.84x = 18,902,344.94
  5. Step 5: Solve for x
    x = 18,902,344.94/4,985.84
  6. Step 6: Final answer
    x = 3,791.21

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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.