Home / 8,778.45-13,166.24-4,098.95

Finding the Fourth Proportional to 8,778.45, 13,166.24 and 4,098.95

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Solution

The fourth proportional to 8,778.45, 13,166.24 and 4,098.95 is: 6,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.45 : 13,166.24 = 4,098.95 : x
  2. Step 2: Convert to fraction form
    8,778.45/13,166.24 = 4,098.95/x
  3. Step 3: Cross multiply
    8,778.45x = 13,166.24 × 4,098.95
  4. Step 4: Simplify right side
    8,778.45x = 53,967,673.12
  5. Step 5: Solve for x
    x = 53,967,673.12/8,778.45
  6. Step 6: Final answer
    x = 6,147.75

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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.