Home / 4,995.69-6,894.36-2,871.90

Finding the Fourth Proportional to 4,995.69, 6,894.36 and 2,871.90

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Solution

The fourth proportional to 4,995.69, 6,894.36 and 2,871.90 is: 3,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.69 : 6,894.36 = 2,871.90 : x
  2. Step 2: Convert to fraction form
    4,995.69/6,894.36 = 2,871.90/x
  3. Step 3: Cross multiply
    4,995.69x = 6,894.36 × 2,871.90
  4. Step 4: Simplify right side
    4,995.69x = 19,799,912.48
  5. Step 5: Solve for x
    x = 19,799,912.48/4,995.69
  6. Step 6: Final answer
    x = 3,963.40

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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.