Home / 5,480.76-8,225.85-2,196.21

Finding the Fourth Proportional to 5,480.76, 8,225.85 and 2,196.21

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Solution

The fourth proportional to 5,480.76, 8,225.85 and 2,196.21 is: 3,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.76 : 8,225.85 = 2,196.21 : x
  2. Step 2: Convert to fraction form
    5,480.76/8,225.85 = 2,196.21/x
  3. Step 3: Cross multiply
    5,480.76x = 8,225.85 × 2,196.21
  4. Step 4: Simplify right side
    5,480.76x = 18,065,733.11
  5. Step 5: Solve for x
    x = 18,065,733.11/5,480.76
  6. Step 6: Final answer
    x = 3,296.21

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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.