Home / 3,898.53-5,847.39-1,125.09

Finding the Fourth Proportional to 3,898.53, 5,847.39 and 1,125.09

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Solution

The fourth proportional to 3,898.53, 5,847.39 and 1,125.09 is: 1,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.53 : 5,847.39 = 1,125.09 : x
  2. Step 2: Convert to fraction form
    3,898.53/5,847.39 = 1,125.09/x
  3. Step 3: Cross multiply
    3,898.53x = 5,847.39 × 1,125.09
  4. Step 4: Simplify right side
    3,898.53x = 6,578,840.02
  5. Step 5: Solve for x
    x = 6,578,840.02/3,898.53
  6. Step 6: Final answer
    x = 1,687.52

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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.