Home / 6,531.22-9,794.40-2,147.50

Finding the Fourth Proportional to 6,531.22, 9,794.40 and 2,147.50

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Solution

The fourth proportional to 6,531.22, 9,794.40 and 2,147.50 is: 3,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.22 : 9,794.40 = 2,147.50 : x
  2. Step 2: Convert to fraction form
    6,531.22/9,794.40 = 2,147.50/x
  3. Step 3: Cross multiply
    6,531.22x = 9,794.40 × 2,147.50
  4. Step 4: Simplify right side
    6,531.22x = 21,033,474
  5. Step 5: Solve for x
    x = 21,033,474/6,531.22
  6. Step 6: Final answer
    x = 3,220.45

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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.