Home / 7,628.21-11,443.34-2,363.64

Finding the Fourth Proportional to 7,628.21, 11,443.34 and 2,363.64

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Solution

The fourth proportional to 7,628.21, 11,443.34 and 2,363.64 is: 3,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.21 : 11,443.34 = 2,363.64 : x
  2. Step 2: Convert to fraction form
    7,628.21/11,443.34 = 2,363.64/x
  3. Step 3: Cross multiply
    7,628.21x = 11,443.34 × 2,363.64
  4. Step 4: Simplify right side
    7,628.21x = 27,047,936.16
  5. Step 5: Solve for x
    x = 27,047,936.16/7,628.21
  6. Step 6: Final answer
    x = 3,545.78

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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.