Home / 7,825.08-11,739.15-3,442.53

Finding the Fourth Proportional to 7,825.08, 11,739.15 and 3,442.53

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Solution

The fourth proportional to 7,825.08, 11,739.15 and 3,442.53 is: 5,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.08 : 11,739.15 = 3,442.53 : x
  2. Step 2: Convert to fraction form
    7,825.08/11,739.15 = 3,442.53/x
  3. Step 3: Cross multiply
    7,825.08x = 11,739.15 × 3,442.53
  4. Step 4: Simplify right side
    7,825.08x = 40,412,376.05
  5. Step 5: Solve for x
    x = 40,412,376.05/7,825.08
  6. Step 6: Final answer
    x = 5,164.47

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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.