Home / 3,669.36-5,472.66-3,539.76

Finding the Fourth Proportional to 3,669.36, 5,472.66 and 3,539.76

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Solution

The fourth proportional to 3,669.36, 5,472.66 and 3,539.76 is: 5,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.36 : 5,472.66 = 3,539.76 : x
  2. Step 2: Convert to fraction form
    3,669.36/5,472.66 = 3,539.76/x
  3. Step 3: Cross multiply
    3,669.36x = 5,472.66 × 3,539.76
  4. Step 4: Simplify right side
    3,669.36x = 19,371,902.96
  5. Step 5: Solve for x
    x = 19,371,902.96/3,669.36
  6. Step 6: Final answer
    x = 5,279.37

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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.