Home / 7,107.08-10,660.22-2,176.72

Finding the Fourth Proportional to 7,107.08, 10,660.22 and 2,176.72

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Solution

The fourth proportional to 7,107.08, 10,660.22 and 2,176.72 is: 3,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.08 : 10,660.22 = 2,176.72 : x
  2. Step 2: Convert to fraction form
    7,107.08/10,660.22 = 2,176.72/x
  3. Step 3: Cross multiply
    7,107.08x = 10,660.22 × 2,176.72
  4. Step 4: Simplify right side
    7,107.08x = 23,204,314.08
  5. Step 5: Solve for x
    x = 23,204,314.08/7,107.08
  6. Step 6: Final answer
    x = 3,264.96

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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.