Home / 5,880.86-8,115.36-3,228.20

Finding the Fourth Proportional to 5,880.86, 8,115.36 and 3,228.20

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Solution

The fourth proportional to 5,880.86, 8,115.36 and 3,228.20 is: 4,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.86 : 8,115.36 = 3,228.20 : x
  2. Step 2: Convert to fraction form
    5,880.86/8,115.36 = 3,228.20/x
  3. Step 3: Cross multiply
    5,880.86x = 8,115.36 × 3,228.20
  4. Step 4: Simplify right side
    5,880.86x = 26,198,005.15
  5. Step 5: Solve for x
    x = 26,198,005.15/5,880.86
  6. Step 6: Final answer
    x = 4,454.79

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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.