Home / 8,311.86-11,469.57-4,585.62

Finding the Fourth Proportional to 8,311.86, 11,469.57 and 4,585.62

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Solution

The fourth proportional to 8,311.86, 11,469.57 and 4,585.62 is: 6,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.86 : 11,469.57 = 4,585.62 : x
  2. Step 2: Convert to fraction form
    8,311.86/11,469.57 = 4,585.62/x
  3. Step 3: Cross multiply
    8,311.86x = 11,469.57 × 4,585.62
  4. Step 4: Simplify right side
    8,311.86x = 52,595,089.58
  5. Step 5: Solve for x
    x = 52,595,089.58/8,311.86
  6. Step 6: Final answer
    x = 6,327.72

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.