Home / 5,268.81-7,907.43-2,636.21

Finding the Fourth Proportional to 5,268.81, 7,907.43 and 2,636.21

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Solution

The fourth proportional to 5,268.81, 7,907.43 and 2,636.21 is: 3,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.81 : 7,907.43 = 2,636.21 : x
  2. Step 2: Convert to fraction form
    5,268.81/7,907.43 = 2,636.21/x
  3. Step 3: Cross multiply
    5,268.81x = 7,907.43 × 2,636.21
  4. Step 4: Simplify right side
    5,268.81x = 20,845,646.04
  5. Step 5: Solve for x
    x = 20,845,646.04/5,268.81
  6. Step 6: Final answer
    x = 3,956.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.