Home / 5,454.97-7,529.40-3,218.14

Finding the Fourth Proportional to 5,454.97, 7,529.40 and 3,218.14

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Solution

The fourth proportional to 5,454.97, 7,529.40 and 3,218.14 is: 4,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.97 : 7,529.40 = 3,218.14 : x
  2. Step 2: Convert to fraction form
    5,454.97/7,529.40 = 3,218.14/x
  3. Step 3: Cross multiply
    5,454.97x = 7,529.40 × 3,218.14
  4. Step 4: Simplify right side
    5,454.97x = 24,230,663.32
  5. Step 5: Solve for x
    x = 24,230,663.32/5,454.97
  6. Step 6: Final answer
    x = 4,441.94

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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.