Home / 5,753.50-8,629.39-1,857.38

Finding the Fourth Proportional to 5,753.50, 8,629.39 and 1,857.38

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Solution

The fourth proportional to 5,753.50, 8,629.39 and 1,857.38 is: 2,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.50 : 8,629.39 = 1,857.38 : x
  2. Step 2: Convert to fraction form
    5,753.50/8,629.39 = 1,857.38/x
  3. Step 3: Cross multiply
    5,753.50x = 8,629.39 × 1,857.38
  4. Step 4: Simplify right side
    5,753.50x = 16,028,056.40
  5. Step 5: Solve for x
    x = 16,028,056.40/5,753.50
  6. Step 6: Final answer
    x = 2,785.79

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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.