Home / 5,676.48-7,832.36-3,318.17

Finding the Fourth Proportional to 5,676.48, 7,832.36 and 3,318.17

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Solution

The fourth proportional to 5,676.48, 7,832.36 and 3,318.17 is: 4,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.48 : 7,832.36 = 3,318.17 : x
  2. Step 2: Convert to fraction form
    5,676.48/7,832.36 = 3,318.17/x
  3. Step 3: Cross multiply
    5,676.48x = 7,832.36 × 3,318.17
  4. Step 4: Simplify right side
    5,676.48x = 25,989,046.23
  5. Step 5: Solve for x
    x = 25,989,046.23/5,676.48
  6. Step 6: Final answer
    x = 4,578.37

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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.