Home / 7,905.69-11,860.25-2,359.47

Finding the Fourth Proportional to 7,905.69, 11,860.25 and 2,359.47

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Solution

The fourth proportional to 7,905.69, 11,860.25 and 2,359.47 is: 3,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.69 : 11,860.25 = 2,359.47 : x
  2. Step 2: Convert to fraction form
    7,905.69/11,860.25 = 2,359.47/x
  3. Step 3: Cross multiply
    7,905.69x = 11,860.25 × 2,359.47
  4. Step 4: Simplify right side
    7,905.69x = 27,983,936.75
  5. Step 5: Solve for x
    x = 27,983,936.75/7,905.69
  6. Step 6: Final answer
    x = 3,539.72

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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.