Home / 7,568.40-11,352.60-2,636.40

Finding the Fourth Proportional to 7,568.40, 11,352.60 and 2,636.40

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Solution

The fourth proportional to 7,568.40, 11,352.60 and 2,636.40 is: 3,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.40 : 11,352.60 = 2,636.40 : x
  2. Step 2: Convert to fraction form
    7,568.40/11,352.60 = 2,636.40/x
  3. Step 3: Cross multiply
    7,568.40x = 11,352.60 × 2,636.40
  4. Step 4: Simplify right side
    7,568.40x = 29,929,994.64
  5. Step 5: Solve for x
    x = 29,929,994.64/7,568.40
  6. Step 6: Final answer
    x = 3,954.60

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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.