Home / 5,231.34-7,845.80-2,459.93

Finding the Fourth Proportional to 5,231.34, 7,845.80 and 2,459.93

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Solution

The fourth proportional to 5,231.34, 7,845.80 and 2,459.93 is: 3,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.34 : 7,845.80 = 2,459.93 : x
  2. Step 2: Convert to fraction form
    5,231.34/7,845.80 = 2,459.93/x
  3. Step 3: Cross multiply
    5,231.34x = 7,845.80 × 2,459.93
  4. Step 4: Simplify right side
    5,231.34x = 19,300,067.27
  5. Step 5: Solve for x
    x = 19,300,067.27/5,231.34
  6. Step 6: Final answer
    x = 3,689.32

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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.