Home / 8,025.12-12,037.68-4,130.64

Finding the Fourth Proportional to 8,025.12, 12,037.68 and 4,130.64

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Solution

The fourth proportional to 8,025.12, 12,037.68 and 4,130.64 is: 6,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.12 : 12,037.68 = 4,130.64 : x
  2. Step 2: Convert to fraction form
    8,025.12/12,037.68 = 4,130.64/x
  3. Step 3: Cross multiply
    8,025.12x = 12,037.68 × 4,130.64
  4. Step 4: Simplify right side
    8,025.12x = 49,723,322.52
  5. Step 5: Solve for x
    x = 49,723,322.52/8,025.12
  6. Step 6: Final answer
    x = 6,195.96

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Double scale
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Similar ratio
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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.