Home / 4,153.53-6,231.21-1,231.66

Finding the Fourth Proportional to 4,153.53, 6,231.21 and 1,231.66

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Solution

The fourth proportional to 4,153.53, 6,231.21 and 1,231.66 is: 1,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.53 : 6,231.21 = 1,231.66 : x
  2. Step 2: Convert to fraction form
    4,153.53/6,231.21 = 1,231.66/x
  3. Step 3: Cross multiply
    4,153.53x = 6,231.21 × 1,231.66
  4. Step 4: Simplify right side
    4,153.53x = 7,674,732.11
  5. Step 5: Solve for x
    x = 7,674,732.11/4,153.53
  6. Step 6: Final answer
    x = 1,847.76

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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.