Home / 4,092.81-5,643.84-2,897.25

Finding the Fourth Proportional to 4,092.81, 5,643.84 and 2,897.25

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Solution

The fourth proportional to 4,092.81, 5,643.84 and 2,897.25 is: 3,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.81 : 5,643.84 = 2,897.25 : x
  2. Step 2: Convert to fraction form
    4,092.81/5,643.84 = 2,897.25/x
  3. Step 3: Cross multiply
    4,092.81x = 5,643.84 × 2,897.25
  4. Step 4: Simplify right side
    4,092.81x = 16,351,615.44
  5. Step 5: Solve for x
    x = 16,351,615.44/4,092.81
  6. Step 6: Final answer
    x = 3,995.21

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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.