Home / 5,256.81-7,257.78-3,270.07

Finding the Fourth Proportional to 5,256.81, 7,257.78 and 3,270.07

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Solution

The fourth proportional to 5,256.81, 7,257.78 and 3,270.07 is: 4,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.81 : 7,257.78 = 3,270.07 : x
  2. Step 2: Convert to fraction form
    5,256.81/7,257.78 = 3,270.07/x
  3. Step 3: Cross multiply
    5,256.81x = 7,257.78 × 3,270.07
  4. Step 4: Simplify right side
    5,256.81x = 23,733,448.64
  5. Step 5: Solve for x
    x = 23,733,448.64/5,256.81
  6. Step 6: Final answer
    x = 4,514.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.