Home / 8,595.12-12,879.60-3,912.48

Finding the Fourth Proportional to 8,595.12, 12,879.60 and 3,912.48

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Solution

The fourth proportional to 8,595.12, 12,879.60 and 3,912.48 is: 5,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.12 : 12,879.60 = 3,912.48 : x
  2. Step 2: Convert to fraction form
    8,595.12/12,879.60 = 3,912.48/x
  3. Step 3: Cross multiply
    8,595.12x = 12,879.60 × 3,912.48
  4. Step 4: Simplify right side
    8,595.12x = 50,391,177.41
  5. Step 5: Solve for x
    x = 50,391,177.41/8,595.12
  6. Step 6: Final answer
    x = 5,862.77

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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.