Home / 8,382.36-12,575.12-4,000.12

Finding the Fourth Proportional to 8,382.36, 12,575.12 and 4,000.12

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Solution

The fourth proportional to 8,382.36, 12,575.12 and 4,000.12 is: 6,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.36 : 12,575.12 = 4,000.12 : x
  2. Step 2: Convert to fraction form
    8,382.36/12,575.12 = 4,000.12/x
  3. Step 3: Cross multiply
    8,382.36x = 12,575.12 × 4,000.12
  4. Step 4: Simplify right side
    8,382.36x = 50,301,989.01
  5. Step 5: Solve for x
    x = 50,301,989.01/8,382.36
  6. Step 6: Final answer
    x = 6,000.93

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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.