Home / 5,431.74-7,493.28-3,193.56

Finding the Fourth Proportional to 5,431.74, 7,493.28 and 3,193.56

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Solution

The fourth proportional to 5,431.74, 7,493.28 and 3,193.56 is: 4,405.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.74 : 7,493.28 = 3,193.56 : x
  2. Step 2: Convert to fraction form
    5,431.74/7,493.28 = 3,193.56/x
  3. Step 3: Cross multiply
    5,431.74x = 7,493.28 × 3,193.56
  4. Step 4: Simplify right side
    5,431.74x = 23,930,239.28
  5. Step 5: Solve for x
    x = 23,930,239.28/5,431.74
  6. Step 6: Final answer
    x = 4,405.63

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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.