Home / 9,219.37-13,821.97-4,772.27

Finding the Fourth Proportional to 9,219.37, 13,821.97 and 4,772.27

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Solution

The fourth proportional to 9,219.37, 13,821.97 and 4,772.27 is: 7,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.37 : 13,821.97 = 4,772.27 : x
  2. Step 2: Convert to fraction form
    9,219.37/13,821.97 = 4,772.27/x
  3. Step 3: Cross multiply
    9,219.37x = 13,821.97 × 4,772.27
  4. Step 4: Simplify right side
    9,219.37x = 65,962,113.17
  5. Step 5: Solve for x
    x = 65,962,113.17/9,219.37
  6. Step 6: Final answer
    x = 7,154.73

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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.