Home / 4,145.58-6,180.30-3,816.72

Finding the Fourth Proportional to 4,145.58, 6,180.30 and 3,816.72

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Solution

The fourth proportional to 4,145.58, 6,180.30 and 3,816.72 is: 5,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.58 : 6,180.30 = 3,816.72 : x
  2. Step 2: Convert to fraction form
    4,145.58/6,180.30 = 3,816.72/x
  3. Step 3: Cross multiply
    4,145.58x = 6,180.30 × 3,816.72
  4. Step 4: Simplify right side
    4,145.58x = 23,588,474.62
  5. Step 5: Solve for x
    x = 23,588,474.62/4,145.58
  6. Step 6: Final answer
    x = 5,690.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.