Home / 4,157.53-6,243.72-3,990.30

Finding the Fourth Proportional to 4,157.53, 6,243.72 and 3,990.30

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Solution

The fourth proportional to 4,157.53, 6,243.72 and 3,990.30 is: 5,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.53 : 6,243.72 = 3,990.30 : x
  2. Step 2: Convert to fraction form
    4,157.53/6,243.72 = 3,990.30/x
  3. Step 3: Cross multiply
    4,157.53x = 6,243.72 × 3,990.30
  4. Step 4: Simplify right side
    4,157.53x = 24,914,320.71
  5. Step 5: Solve for x
    x = 24,914,320.71/4,157.53
  6. Step 6: Final answer
    x = 5,992.58

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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.