Home / 5,350.39-8,015.59-4,478.49

Finding the Fourth Proportional to 5,350.39, 8,015.59 and 4,478.49

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Solution

The fourth proportional to 5,350.39, 8,015.59 and 4,478.49 is: 6,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.39 : 8,015.59 = 4,478.49 : x
  2. Step 2: Convert to fraction form
    5,350.39/8,015.59 = 4,478.49/x
  3. Step 3: Cross multiply
    5,350.39x = 8,015.59 × 4,478.49
  4. Step 4: Simplify right side
    5,350.39x = 35,897,745.26
  5. Step 5: Solve for x
    x = 35,897,745.26/5,350.39
  6. Step 6: Final answer
    x = 6,709.37

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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.