Home / 5,328.33-7,350.78-3,173.67

Finding the Fourth Proportional to 5,328.33, 7,350.78 and 3,173.67

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Solution

The fourth proportional to 5,328.33, 7,350.78 and 3,173.67 is: 4,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.33 : 7,350.78 = 3,173.67 : x
  2. Step 2: Convert to fraction form
    5,328.33/7,350.78 = 3,173.67/x
  3. Step 3: Cross multiply
    5,328.33x = 7,350.78 × 3,173.67
  4. Step 4: Simplify right side
    5,328.33x = 23,328,949.96
  5. Step 5: Solve for x
    x = 23,328,949.96/5,328.33
  6. Step 6: Final answer
    x = 4,378.29

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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.