Home / 7,619.76-11,431.80-2,426.04

Finding the Fourth Proportional to 7,619.76, 11,431.80 and 2,426.04

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Solution

The fourth proportional to 7,619.76, 11,431.80 and 2,426.04 is: 3,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.76 : 11,431.80 = 2,426.04 : x
  2. Step 2: Convert to fraction form
    7,619.76/11,431.80 = 2,426.04/x
  3. Step 3: Cross multiply
    7,619.76x = 11,431.80 × 2,426.04
  4. Step 4: Simplify right side
    7,619.76x = 27,734,004.07
  5. Step 5: Solve for x
    x = 27,734,004.07/7,619.76
  6. Step 6: Final answer
    x = 3,639.75

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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.