Home / 4,697.31-7,049.38-3,783.89

Finding the Fourth Proportional to 4,697.31, 7,049.38 and 3,783.89

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Solution

The fourth proportional to 4,697.31, 7,049.38 and 3,783.89 is: 5,678.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.31 : 7,049.38 = 3,783.89 : x
  2. Step 2: Convert to fraction form
    4,697.31/7,049.38 = 3,783.89/x
  3. Step 3: Cross multiply
    4,697.31x = 7,049.38 × 3,783.89
  4. Step 4: Simplify right side
    4,697.31x = 26,674,103.66
  5. Step 5: Solve for x
    x = 26,674,103.66/4,697.31
  6. Step 6: Final answer
    x = 5,678.59

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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.