Home / 4,000.15-5,990.64-3,175.71

Finding the Fourth Proportional to 4,000.15, 5,990.64 and 3,175.71

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Solution

The fourth proportional to 4,000.15, 5,990.64 and 3,175.71 is: 4,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.15 : 5,990.64 = 3,175.71 : x
  2. Step 2: Convert to fraction form
    4,000.15/5,990.64 = 3,175.71/x
  3. Step 3: Cross multiply
    4,000.15x = 5,990.64 × 3,175.71
  4. Step 4: Simplify right side
    4,000.15x = 19,024,535.35
  5. Step 5: Solve for x
    x = 19,024,535.35/4,000.15
  6. Step 6: Final answer
    x = 4,755.96

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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.