Home / 7,180.10-10,745.85-6,305.30

Finding the Fourth Proportional to 7,180.10, 10,745.85 and 6,305.30

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Solution

The fourth proportional to 7,180.10, 10,745.85 and 6,305.30 is: 9,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.10 : 10,745.85 = 6,305.30 : x
  2. Step 2: Convert to fraction form
    7,180.10/10,745.85 = 6,305.30/x
  3. Step 3: Cross multiply
    7,180.10x = 10,745.85 × 6,305.30
  4. Step 4: Simplify right side
    7,180.10x = 67,755,808.01
  5. Step 5: Solve for x
    x = 67,755,808.01/7,180.10
  6. Step 6: Final answer
    x = 9,436.61

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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.