Home / 5,782.38-8,673.60-1,399.83

Finding the Fourth Proportional to 5,782.38, 8,673.60 and 1,399.83

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Solution

The fourth proportional to 5,782.38, 8,673.60 and 1,399.83 is: 2,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.38 : 8,673.60 = 1,399.83 : x
  2. Step 2: Convert to fraction form
    5,782.38/8,673.60 = 1,399.83/x
  3. Step 3: Cross multiply
    5,782.38x = 8,673.60 × 1,399.83
  4. Step 4: Simplify right side
    5,782.38x = 12,141,587.17
  5. Step 5: Solve for x
    x = 12,141,587.17/5,782.38
  6. Step 6: Final answer
    x = 2,099.76

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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.