Home / 5,403.33-7,456.59-2,919.33

Finding the Fourth Proportional to 5,403.33, 7,456.59 and 2,919.33

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Solution

The fourth proportional to 5,403.33, 7,456.59 and 2,919.33 is: 4,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.33 : 7,456.59 = 2,919.33 : x
  2. Step 2: Convert to fraction form
    5,403.33/7,456.59 = 2,919.33/x
  3. Step 3: Cross multiply
    5,403.33x = 7,456.59 × 2,919.33
  4. Step 4: Simplify right side
    5,403.33x = 21,768,246.88
  5. Step 5: Solve for x
    x = 21,768,246.88/5,403.33
  6. Step 6: Final answer
    x = 4,028.67

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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.