Home / 4,513.30-6,766.68-2,173.78

Finding the Fourth Proportional to 4,513.30, 6,766.68 and 2,173.78

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Solution

The fourth proportional to 4,513.30, 6,766.68 and 2,173.78 is: 3,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,513.30 : 6,766.68 = 2,173.78 : x
  2. Step 2: Convert to fraction form
    4,513.30/6,766.68 = 2,173.78/x
  3. Step 3: Cross multiply
    4,513.30x = 6,766.68 × 2,173.78
  4. Step 4: Simplify right side
    4,513.30x = 14,709,273.65
  5. Step 5: Solve for x
    x = 14,709,273.65/4,513.30
  6. Step 6: Final answer
    x = 3,259.10

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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.