Home / 5,811.35-8,709.93-2,687.18

Finding the Fourth Proportional to 5,811.35, 8,709.93 and 2,687.18

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Solution

The fourth proportional to 5,811.35, 8,709.93 and 2,687.18 is: 4,027.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.35 : 8,709.93 = 2,687.18 : x
  2. Step 2: Convert to fraction form
    5,811.35/8,709.93 = 2,687.18/x
  3. Step 3: Cross multiply
    5,811.35x = 8,709.93 × 2,687.18
  4. Step 4: Simplify right side
    5,811.35x = 23,405,106.15
  5. Step 5: Solve for x
    x = 23,405,106.15/5,811.35
  6. Step 6: Final answer
    x = 4,027.49

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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.