Home / 7,568.82-11,353.84-2,638.34

Finding the Fourth Proportional to 7,568.82, 11,353.84 and 2,638.34

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Solution

The fourth proportional to 7,568.82, 11,353.84 and 2,638.34 is: 3,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.82 : 11,353.84 = 2,638.34 : x
  2. Step 2: Convert to fraction form
    7,568.82/11,353.84 = 2,638.34/x
  3. Step 3: Cross multiply
    7,568.82x = 11,353.84 × 2,638.34
  4. Step 4: Simplify right side
    7,568.82x = 29,955,290.23
  5. Step 5: Solve for x
    x = 29,955,290.23/7,568.82
  6. Step 6: Final answer
    x = 3,957.72

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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.