Home / 4,485.78-6,723.15-3,257.40

Finding the Fourth Proportional to 4,485.78, 6,723.15 and 3,257.40

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Solution

The fourth proportional to 4,485.78, 6,723.15 and 3,257.40 is: 4,882.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.78 : 6,723.15 = 3,257.40 : x
  2. Step 2: Convert to fraction form
    4,485.78/6,723.15 = 3,257.40/x
  3. Step 3: Cross multiply
    4,485.78x = 6,723.15 × 3,257.40
  4. Step 4: Simplify right side
    4,485.78x = 21,899,988.81
  5. Step 5: Solve for x
    x = 21,899,988.81/4,485.78
  6. Step 6: Final answer
    x = 4,882.09

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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.