Home / 5,414.21-7,471.63-2,930.21

Finding the Fourth Proportional to 5,414.21, 7,471.63 and 2,930.21

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Solution

The fourth proportional to 5,414.21, 7,471.63 and 2,930.21 is: 4,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.21 : 7,471.63 = 2,930.21 : x
  2. Step 2: Convert to fraction form
    5,414.21/7,471.63 = 2,930.21/x
  3. Step 3: Cross multiply
    5,414.21x = 7,471.63 × 2,930.21
  4. Step 4: Simplify right side
    5,414.21x = 21,893,400.26
  5. Step 5: Solve for x
    x = 21,893,400.26/5,414.21
  6. Step 6: Final answer
    x = 4,043.70

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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.