Home / 7,480.18-11,220.36-3,583.72

Finding the Fourth Proportional to 7,480.18, 11,220.36 and 3,583.72

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Solution

The fourth proportional to 7,480.18, 11,220.36 and 3,583.72 is: 5,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.18 : 11,220.36 = 3,583.72 : x
  2. Step 2: Convert to fraction form
    7,480.18/11,220.36 = 3,583.72/x
  3. Step 3: Cross multiply
    7,480.18x = 11,220.36 × 3,583.72
  4. Step 4: Simplify right side
    7,480.18x = 40,210,628.54
  5. Step 5: Solve for x
    x = 40,210,628.54/7,480.18
  6. Step 6: Final answer
    x = 5,375.62

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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.