Home / 5,241.51-7,862.27-2,642.63

Finding the Fourth Proportional to 5,241.51, 7,862.27 and 2,642.63

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Solution

The fourth proportional to 5,241.51, 7,862.27 and 2,642.63 is: 3,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.51 : 7,862.27 = 2,642.63 : x
  2. Step 2: Convert to fraction form
    5,241.51/7,862.27 = 2,642.63/x
  3. Step 3: Cross multiply
    5,241.51x = 7,862.27 × 2,642.63
  4. Step 4: Simplify right side
    5,241.51x = 20,777,018.05
  5. Step 5: Solve for x
    x = 20,777,018.05/5,241.51
  6. Step 6: Final answer
    x = 3,963.94

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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.