Home / 7,795.20-11,693.40-2,601.08

Finding the Fourth Proportional to 7,795.20, 11,693.40 and 2,601.08

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Solution

The fourth proportional to 7,795.20, 11,693.40 and 2,601.08 is: 3,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.20 : 11,693.40 = 2,601.08 : x
  2. Step 2: Convert to fraction form
    7,795.20/11,693.40 = 2,601.08/x
  3. Step 3: Cross multiply
    7,795.20x = 11,693.40 × 2,601.08
  4. Step 4: Simplify right side
    7,795.20x = 30,415,468.87
  5. Step 5: Solve for x
    x = 30,415,468.87/7,795.20
  6. Step 6: Final answer
    x = 3,901.82

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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.