Home / 4,324.78-6,487.26-1,403.38

Finding the Fourth Proportional to 4,324.78, 6,487.26 and 1,403.38

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Solution

The fourth proportional to 4,324.78, 6,487.26 and 1,403.38 is: 2,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.78 : 6,487.26 = 1,403.38 : x
  2. Step 2: Convert to fraction form
    4,324.78/6,487.26 = 1,403.38/x
  3. Step 3: Cross multiply
    4,324.78x = 6,487.26 × 1,403.38
  4. Step 4: Simplify right side
    4,324.78x = 9,104,090.94
  5. Step 5: Solve for x
    x = 9,104,090.94/4,324.78
  6. Step 6: Final answer
    x = 2,105.10

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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.