Home / 7,531.36-11,297.14-1,984.75

Finding the Fourth Proportional to 7,531.36, 11,297.14 and 1,984.75

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Solution

The fourth proportional to 7,531.36, 11,297.14 and 1,984.75 is: 2,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.36 : 11,297.14 = 1,984.75 : x
  2. Step 2: Convert to fraction form
    7,531.36/11,297.14 = 1,984.75/x
  3. Step 3: Cross multiply
    7,531.36x = 11,297.14 × 1,984.75
  4. Step 4: Simplify right side
    7,531.36x = 22,422,028.96
  5. Step 5: Solve for x
    x = 22,422,028.96/7,531.36
  6. Step 6: Final answer
    x = 2,977.15

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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.