Home / 7,572.96-11,346.84-2,639.88

Finding the Fourth Proportional to 7,572.96, 11,346.84 and 2,639.88

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Solution

The fourth proportional to 7,572.96, 11,346.84 and 2,639.88 is: 3,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.96 : 11,346.84 = 2,639.88 : x
  2. Step 2: Convert to fraction form
    7,572.96/11,346.84 = 2,639.88/x
  3. Step 3: Cross multiply
    7,572.96x = 11,346.84 × 2,639.88
  4. Step 4: Simplify right side
    7,572.96x = 29,954,295.98
  5. Step 5: Solve for x
    x = 29,954,295.98/7,572.96
  6. Step 6: Final answer
    x = 3,955.43

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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.