Home / 5,553.64-7,663.80-3,196.18

Finding the Fourth Proportional to 5,553.64, 7,663.80 and 3,196.18

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Solution

The fourth proportional to 5,553.64, 7,663.80 and 3,196.18 is: 4,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.64 : 7,663.80 = 3,196.18 : x
  2. Step 2: Convert to fraction form
    5,553.64/7,663.80 = 3,196.18/x
  3. Step 3: Cross multiply
    5,553.64x = 7,663.80 × 3,196.18
  4. Step 4: Simplify right side
    5,553.64x = 24,494,884.28
  5. Step 5: Solve for x
    x = 24,494,884.28/5,553.64
  6. Step 6: Final answer
    x = 4,410.60

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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.