Home / 8,249.49-11,381.45-5,450.13

Finding the Fourth Proportional to 8,249.49, 11,381.45 and 5,450.13

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Solution

The fourth proportional to 8,249.49, 11,381.45 and 5,450.13 is: 7,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.49 : 11,381.45 = 5,450.13 : x
  2. Step 2: Convert to fraction form
    8,249.49/11,381.45 = 5,450.13/x
  3. Step 3: Cross multiply
    8,249.49x = 11,381.45 × 5,450.13
  4. Step 4: Simplify right side
    8,249.49x = 62,030,354.84
  5. Step 5: Solve for x
    x = 62,030,354.84/8,249.49
  6. Step 6: Final answer
    x = 7,519.30

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1.5x scale

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.