Home / 3,673.36-5,478.62-3,543.76

Finding the Fourth Proportional to 3,673.36, 5,478.62 and 3,543.76

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Solution

The fourth proportional to 3,673.36, 5,478.62 and 3,543.76 is: 5,285.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.36 : 5,478.62 = 3,543.76 : x
  2. Step 2: Convert to fraction form
    3,673.36/5,478.62 = 3,543.76/x
  3. Step 3: Cross multiply
    3,673.36x = 5,478.62 × 3,543.76
  4. Step 4: Simplify right side
    3,673.36x = 19,414,914.41
  5. Step 5: Solve for x
    x = 19,414,914.41/3,673.36
  6. Step 6: Final answer
    x = 5,285.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.