Home / 5,553.18-7,662.45-3,563.34

Finding the Fourth Proportional to 5,553.18, 7,662.45 and 3,563.34

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Solution

The fourth proportional to 5,553.18, 7,662.45 and 3,563.34 is: 4,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.18 : 7,662.45 = 3,563.34 : x
  2. Step 2: Convert to fraction form
    5,553.18/7,662.45 = 3,563.34/x
  3. Step 3: Cross multiply
    5,553.18x = 7,662.45 × 3,563.34
  4. Step 4: Simplify right side
    5,553.18x = 27,303,914.58
  5. Step 5: Solve for x
    x = 27,303,914.58/5,553.18
  6. Step 6: Final answer
    x = 4,916.81

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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.