Home / 5,480.55-8,206.20-2,878.02

Finding the Fourth Proportional to 5,480.55, 8,206.20 and 2,878.02

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Solution

The fourth proportional to 5,480.55, 8,206.20 and 2,878.02 is: 4,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.55 : 8,206.20 = 2,878.02 : x
  2. Step 2: Convert to fraction form
    5,480.55/8,206.20 = 2,878.02/x
  3. Step 3: Cross multiply
    5,480.55x = 8,206.20 × 2,878.02
  4. Step 4: Simplify right side
    5,480.55x = 23,617,607.72
  5. Step 5: Solve for x
    x = 23,617,607.72/5,480.55
  6. Step 6: Final answer
    x = 4,309.35

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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.