Home / 8,604.14-12,906.41-4,879.76

Finding the Fourth Proportional to 8,604.14, 12,906.41 and 4,879.76

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Solution

The fourth proportional to 8,604.14, 12,906.41 and 4,879.76 is: 7,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.14 : 12,906.41 = 4,879.76 : x
  2. Step 2: Convert to fraction form
    8,604.14/12,906.41 = 4,879.76/x
  3. Step 3: Cross multiply
    8,604.14x = 12,906.41 × 4,879.76
  4. Step 4: Simplify right side
    8,604.14x = 62,980,094.33
  5. Step 5: Solve for x
    x = 62,980,094.33/8,604.14
  6. Step 6: Final answer
    x = 7,319.75

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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.