Home / 5,923.60-8,879.18-4,279.40

Finding the Fourth Proportional to 5,923.60, 8,879.18 and 4,279.40

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Solution

The fourth proportional to 5,923.60, 8,879.18 and 4,279.40 is: 6,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,923.60 : 8,879.18 = 4,279.40 : x
  2. Step 2: Convert to fraction form
    5,923.60/8,879.18 = 4,279.40/x
  3. Step 3: Cross multiply
    5,923.60x = 8,879.18 × 4,279.40
  4. Step 4: Simplify right side
    5,923.60x = 37,997,562.89
  5. Step 5: Solve for x
    x = 37,997,562.89/5,923.60
  6. Step 6: Final answer
    x = 6,414.61

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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.