Home / 4,948.31-7,419.80-2,171.73

Finding the Fourth Proportional to 4,948.31, 7,419.80 and 2,171.73

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Solution

The fourth proportional to 4,948.31, 7,419.80 and 2,171.73 is: 3,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.31 : 7,419.80 = 2,171.73 : x
  2. Step 2: Convert to fraction form
    4,948.31/7,419.80 = 2,171.73/x
  3. Step 3: Cross multiply
    4,948.31x = 7,419.80 × 2,171.73
  4. Step 4: Simplify right side
    4,948.31x = 16,113,793.77
  5. Step 5: Solve for x
    x = 16,113,793.77/4,948.31
  6. Step 6: Final answer
    x = 3,256.43

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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.