Home / 6,678.45-9,215.57-3,845.27

Finding the Fourth Proportional to 6,678.45, 9,215.57 and 3,845.27

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Solution

The fourth proportional to 6,678.45, 9,215.57 and 3,845.27 is: 5,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.45 : 9,215.57 = 3,845.27 : x
  2. Step 2: Convert to fraction form
    6,678.45/9,215.57 = 3,845.27/x
  3. Step 3: Cross multiply
    6,678.45x = 9,215.57 × 3,845.27
  4. Step 4: Simplify right side
    6,678.45x = 35,436,387.51
  5. Step 5: Solve for x
    x = 35,436,387.51/6,678.45
  6. Step 6: Final answer
    x = 5,306.08

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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.