Home / 7,619.72-11,429.96-2,426.00

Finding the Fourth Proportional to 7,619.72, 11,429.96 and 2,426.00

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Solution

The fourth proportional to 7,619.72, 11,429.96 and 2,426.00 is: 3,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.72 : 11,429.96 = 2,426.00 : x
  2. Step 2: Convert to fraction form
    7,619.72/11,429.96 = 2,426.00/x
  3. Step 3: Cross multiply
    7,619.72x = 11,429.96 × 2,426.00
  4. Step 4: Simplify right side
    7,619.72x = 27,729,013.68
  5. Step 5: Solve for x
    x = 27,729,013.68/7,619.72
  6. Step 6: Final answer
    x = 3,639.11

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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.