Home / 7,833.36-11,748.40-3,672.24

Finding the Fourth Proportional to 7,833.36, 11,748.40 and 3,672.24

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Solution

The fourth proportional to 7,833.36, 11,748.40 and 3,672.24 is: 5,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.36 : 11,748.40 = 3,672.24 : x
  2. Step 2: Convert to fraction form
    7,833.36/11,748.40 = 3,672.24/x
  3. Step 3: Cross multiply
    7,833.36x = 11,748.40 × 3,672.24
  4. Step 4: Simplify right side
    7,833.36x = 43,142,944.42
  5. Step 5: Solve for x
    x = 43,142,944.42/7,833.36
  6. Step 6: Final answer
    x = 5,507.59

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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.