Home / 8,188.23-11,290.77-5,531.01

Finding the Fourth Proportional to 8,188.23, 11,290.77 and 5,531.01

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Solution

The fourth proportional to 8,188.23, 11,290.77 and 5,531.01 is: 7,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.23 : 11,290.77 = 5,531.01 : x
  2. Step 2: Convert to fraction form
    8,188.23/11,290.77 = 5,531.01/x
  3. Step 3: Cross multiply
    8,188.23x = 11,290.77 × 5,531.01
  4. Step 4: Simplify right side
    8,188.23x = 62,449,361.78
  5. Step 5: Solve for x
    x = 62,449,361.78/8,188.23
  6. Step 6: Final answer
    x = 7,626.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.