Home / 4,786.43-7,215.14-4,371.17

Finding the Fourth Proportional to 4,786.43, 7,215.14 and 4,371.17

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Solution

The fourth proportional to 4,786.43, 7,215.14 and 4,371.17 is: 6,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.43 : 7,215.14 = 4,371.17 : x
  2. Step 2: Convert to fraction form
    4,786.43/7,215.14 = 4,371.17/x
  3. Step 3: Cross multiply
    4,786.43x = 7,215.14 × 4,371.17
  4. Step 4: Simplify right side
    4,786.43x = 31,538,578.37
  5. Step 5: Solve for x
    x = 31,538,578.37/4,786.43
  6. Step 6: Final answer
    x = 6,589.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.