Home / 5,322.26-7,987.56-3,690.26

Finding the Fourth Proportional to 5,322.26, 7,987.56 and 3,690.26

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Solution

The fourth proportional to 5,322.26, 7,987.56 and 3,690.26 is: 5,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.26 : 7,987.56 = 3,690.26 : x
  2. Step 2: Convert to fraction form
    5,322.26/7,987.56 = 3,690.26/x
  3. Step 3: Cross multiply
    5,322.26x = 7,987.56 × 3,690.26
  4. Step 4: Simplify right side
    5,322.26x = 29,476,173.17
  5. Step 5: Solve for x
    x = 29,476,173.17/5,322.26
  6. Step 6: Final answer
    x = 5,538.28

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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.