Home / 9,087.12-13,630.80-3,243.60

Finding the Fourth Proportional to 9,087.12, 13,630.80 and 3,243.60

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Solution

The fourth proportional to 9,087.12, 13,630.80 and 3,243.60 is: 4,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.12 : 13,630.80 = 3,243.60 : x
  2. Step 2: Convert to fraction form
    9,087.12/13,630.80 = 3,243.60/x
  3. Step 3: Cross multiply
    9,087.12x = 13,630.80 × 3,243.60
  4. Step 4: Simplify right side
    9,087.12x = 44,212,862.88
  5. Step 5: Solve for x
    x = 44,212,862.88/9,087.12
  6. Step 6: Final answer
    x = 4,865.44

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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.