Home / 5,383.69-7,429.48-2,993.58

Finding the Fourth Proportional to 5,383.69, 7,429.48 and 2,993.58

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Solution

The fourth proportional to 5,383.69, 7,429.48 and 2,993.58 is: 4,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.69 : 7,429.48 = 2,993.58 : x
  2. Step 2: Convert to fraction form
    5,383.69/7,429.48 = 2,993.58/x
  3. Step 3: Cross multiply
    5,383.69x = 7,429.48 × 2,993.58
  4. Step 4: Simplify right side
    5,383.69x = 22,240,735.25
  5. Step 5: Solve for x
    x = 22,240,735.25/5,383.69
  6. Step 6: Final answer
    x = 4,131.13

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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.