Home / 4,921.23-7,378.38-2,454.33

Finding the Fourth Proportional to 4,921.23, 7,378.38 and 2,454.33

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Solution

The fourth proportional to 4,921.23, 7,378.38 and 2,454.33 is: 3,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.23 : 7,378.38 = 2,454.33 : x
  2. Step 2: Convert to fraction form
    4,921.23/7,378.38 = 2,454.33/x
  3. Step 3: Cross multiply
    4,921.23x = 7,378.38 × 2,454.33
  4. Step 4: Simplify right side
    4,921.23x = 18,108,979.39
  5. Step 5: Solve for x
    x = 18,108,979.39/4,921.23
  6. Step 6: Final answer
    x = 3,679.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.