Home / 4,242.24-6,368.13-2,489.31

Finding the Fourth Proportional to 4,242.24, 6,368.13 and 2,489.31

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Solution

The fourth proportional to 4,242.24, 6,368.13 and 2,489.31 is: 3,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.24 : 6,368.13 = 2,489.31 : x
  2. Step 2: Convert to fraction form
    4,242.24/6,368.13 = 2,489.31/x
  3. Step 3: Cross multiply
    4,242.24x = 6,368.13 × 2,489.31
  4. Step 4: Simplify right side
    4,242.24x = 15,852,249.69
  5. Step 5: Solve for x
    x = 15,852,249.69/4,242.24
  6. Step 6: Final answer
    x = 3,736.76

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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.