Home / 5,515.56-8,269.34-1,816.68

Finding the Fourth Proportional to 5,515.56, 8,269.34 and 1,816.68

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Solution

The fourth proportional to 5,515.56, 8,269.34 and 1,816.68 is: 2,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.56 : 8,269.34 = 1,816.68 : x
  2. Step 2: Convert to fraction form
    5,515.56/8,269.34 = 1,816.68/x
  3. Step 3: Cross multiply
    5,515.56x = 8,269.34 × 1,816.68
  4. Step 4: Simplify right side
    5,515.56x = 15,022,744.59
  5. Step 5: Solve for x
    x = 15,022,744.59/5,515.56
  6. Step 6: Final answer
    x = 2,723.70

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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.