Home / 8,778.59-13,166.58-3,230.64

Finding the Fourth Proportional to 8,778.59, 13,166.58 and 3,230.64

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Solution

The fourth proportional to 8,778.59, 13,166.58 and 3,230.64 is: 4,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.59 : 13,166.58 = 3,230.64 : x
  2. Step 2: Convert to fraction form
    8,778.59/13,166.58 = 3,230.64/x
  3. Step 3: Cross multiply
    8,778.59x = 13,166.58 × 3,230.64
  4. Step 4: Simplify right side
    8,778.59x = 42,536,480.01
  5. Step 5: Solve for x
    x = 42,536,480.01/8,778.59
  6. Step 6: Final answer
    x = 4,845.48

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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.