Home / 4,988.87-6,884.67-2,750.71

Finding the Fourth Proportional to 4,988.87, 6,884.67 and 2,750.71

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Solution

The fourth proportional to 4,988.87, 6,884.67 and 2,750.71 is: 3,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.87 : 6,884.67 = 2,750.71 : x
  2. Step 2: Convert to fraction form
    4,988.87/6,884.67 = 2,750.71/x
  3. Step 3: Cross multiply
    4,988.87x = 6,884.67 × 2,750.71
  4. Step 4: Simplify right side
    4,988.87x = 18,937,706.53
  5. Step 5: Solve for x
    x = 18,937,706.53/4,988.87
  6. Step 6: Final answer
    x = 3,795.99

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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.