Home / 7,514.98-11,270.64-3,130.04

Finding the Fourth Proportional to 7,514.98, 11,270.64 and 3,130.04

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Solution

The fourth proportional to 7,514.98, 11,270.64 and 3,130.04 is: 4,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.98 : 11,270.64 = 3,130.04 : x
  2. Step 2: Convert to fraction form
    7,514.98/11,270.64 = 3,130.04/x
  3. Step 3: Cross multiply
    7,514.98x = 11,270.64 × 3,130.04
  4. Step 4: Simplify right side
    7,514.98x = 35,277,593.94
  5. Step 5: Solve for x
    x = 35,277,593.94/7,514.98
  6. Step 6: Final answer
    x = 4,694.30

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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.