Home / 5,789.11-8,683.67-1,406.54

Finding the Fourth Proportional to 5,789.11, 8,683.67 and 1,406.54

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Solution

The fourth proportional to 5,789.11, 8,683.67 and 1,406.54 is: 2,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.11 : 8,683.67 = 1,406.54 : x
  2. Step 2: Convert to fraction form
    5,789.11/8,683.67 = 1,406.54/x
  3. Step 3: Cross multiply
    5,789.11x = 8,683.67 × 1,406.54
  4. Step 4: Simplify right side
    5,789.11x = 12,213,924.07
  5. Step 5: Solve for x
    x = 12,213,924.07/5,789.11
  6. Step 6: Final answer
    x = 2,109.81

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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.