Home / 7,485.16-11,223.82-2,219.44

Finding the Fourth Proportional to 7,485.16, 11,223.82 and 2,219.44

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Solution

The fourth proportional to 7,485.16, 11,223.82 and 2,219.44 is: 3,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.16 : 11,223.82 = 2,219.44 : x
  2. Step 2: Convert to fraction form
    7,485.16/11,223.82 = 2,219.44/x
  3. Step 3: Cross multiply
    7,485.16x = 11,223.82 × 2,219.44
  4. Step 4: Simplify right side
    7,485.16x = 24,910,608.70
  5. Step 5: Solve for x
    x = 24,910,608.70/7,485.16
  6. Step 6: Final answer
    x = 3,328.00

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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.