Home / 7,905.55-11,858.70-2,359.33

Finding the Fourth Proportional to 7,905.55, 11,858.70 and 2,359.33

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Solution

The fourth proportional to 7,905.55, 11,858.70 and 2,359.33 is: 3,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.55 : 11,858.70 = 2,359.33 : x
  2. Step 2: Convert to fraction form
    7,905.55/11,858.70 = 2,359.33/x
  3. Step 3: Cross multiply
    7,905.55x = 11,858.70 × 2,359.33
  4. Step 4: Simplify right side
    7,905.55x = 27,978,565.87
  5. Step 5: Solve for x
    x = 27,978,565.87/7,905.55
  6. Step 6: Final answer
    x = 3,539.10

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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.