Home / 4,389.55-6,581.22-2,196.70

Finding the Fourth Proportional to 4,389.55, 6,581.22 and 2,196.70

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Solution

The fourth proportional to 4,389.55, 6,581.22 and 2,196.70 is: 3,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.55 : 6,581.22 = 2,196.70 : x
  2. Step 2: Convert to fraction form
    4,389.55/6,581.22 = 2,196.70/x
  3. Step 3: Cross multiply
    4,389.55x = 6,581.22 × 2,196.70
  4. Step 4: Simplify right side
    4,389.55x = 14,456,965.97
  5. Step 5: Solve for x
    x = 14,456,965.97/4,389.55
  6. Step 6: Final answer
    x = 3,293.50

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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.