Home / 5,429.39-7,493.37-3,440.14

Finding the Fourth Proportional to 5,429.39, 7,493.37 and 3,440.14

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Solution

The fourth proportional to 5,429.39, 7,493.37 and 3,440.14 is: 4,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.39 : 7,493.37 = 3,440.14 : x
  2. Step 2: Convert to fraction form
    5,429.39/7,493.37 = 3,440.14/x
  3. Step 3: Cross multiply
    5,429.39x = 7,493.37 × 3,440.14
  4. Step 4: Simplify right side
    5,429.39x = 25,778,195.80
  5. Step 5: Solve for x
    x = 25,778,195.80/5,429.39
  6. Step 6: Final answer
    x = 4,747.90

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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.