Home / 4,515.15-6,768.81-2,173.98

Finding the Fourth Proportional to 4,515.15, 6,768.81 and 2,173.98

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Solution

The fourth proportional to 4,515.15, 6,768.81 and 2,173.98 is: 3,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.15 : 6,768.81 = 2,173.98 : x
  2. Step 2: Convert to fraction form
    4,515.15/6,768.81 = 2,173.98/x
  3. Step 3: Cross multiply
    4,515.15x = 6,768.81 × 2,173.98
  4. Step 4: Simplify right side
    4,515.15x = 14,715,257.56
  5. Step 5: Solve for x
    x = 14,715,257.56/4,515.15
  6. Step 6: Final answer
    x = 3,259.08

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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.