Home / 5,789.30-8,683.94-1,406.75

Finding the Fourth Proportional to 5,789.30, 8,683.94 and 1,406.75

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Solution

The fourth proportional to 5,789.30, 8,683.94 and 1,406.75 is: 2,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.30 : 8,683.94 = 1,406.75 : x
  2. Step 2: Convert to fraction form
    5,789.30/8,683.94 = 1,406.75/x
  3. Step 3: Cross multiply
    5,789.30x = 8,683.94 × 1,406.75
  4. Step 4: Simplify right side
    5,789.30x = 12,216,157.82
  5. Step 5: Solve for x
    x = 12,216,157.82/5,789.30
  6. Step 6: Final answer
    x = 2,110.13

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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.