Home / 4,921.57-7,377.13-2,419.23

Finding the Fourth Proportional to 4,921.57, 7,377.13 and 2,419.23

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Solution

The fourth proportional to 4,921.57, 7,377.13 and 2,419.23 is: 3,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.57 : 7,377.13 = 2,419.23 : x
  2. Step 2: Convert to fraction form
    4,921.57/7,377.13 = 2,419.23/x
  3. Step 3: Cross multiply
    4,921.57x = 7,377.13 × 2,419.23
  4. Step 4: Simplify right side
    4,921.57x = 17,846,934.30
  5. Step 5: Solve for x
    x = 17,846,934.30/4,921.57
  6. Step 6: Final answer
    x = 3,626.27

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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.