Home / 5,782.16-8,673.24-1,399.62

Finding the Fourth Proportional to 5,782.16, 8,673.24 and 1,399.62

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Solution

The fourth proportional to 5,782.16, 8,673.24 and 1,399.62 is: 2,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.16 : 8,673.24 = 1,399.62 : x
  2. Step 2: Convert to fraction form
    5,782.16/8,673.24 = 1,399.62/x
  3. Step 3: Cross multiply
    5,782.16x = 8,673.24 × 1,399.62
  4. Step 4: Simplify right side
    5,782.16x = 12,139,211.05
  5. Step 5: Solve for x
    x = 12,139,211.05/5,782.16
  6. Step 6: Final answer
    x = 2,099.43

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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.