Home / 5,422.58-8,130.82-2,497.26

Finding the Fourth Proportional to 5,422.58, 8,130.82 and 2,497.26

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Solution

The fourth proportional to 5,422.58, 8,130.82 and 2,497.26 is: 3,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.58 : 8,130.82 = 2,497.26 : x
  2. Step 2: Convert to fraction form
    5,422.58/8,130.82 = 2,497.26/x
  3. Step 3: Cross multiply
    5,422.58x = 8,130.82 × 2,497.26
  4. Step 4: Simplify right side
    5,422.58x = 20,304,771.55
  5. Step 5: Solve for x
    x = 20,304,771.55/5,422.58
  6. Step 6: Final answer
    x = 3,744.49

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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.