Home / 8,771.90-13,160.95-5,481.14

Finding the Fourth Proportional to 8,771.90, 13,160.95 and 5,481.14

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Solution

The fourth proportional to 8,771.90, 13,160.95 and 5,481.14 is: 8,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.90 : 13,160.95 = 5,481.14 : x
  2. Step 2: Convert to fraction form
    8,771.90/13,160.95 = 5,481.14/x
  3. Step 3: Cross multiply
    8,771.90x = 13,160.95 × 5,481.14
  4. Step 4: Simplify right side
    8,771.90x = 72,136,929.98
  5. Step 5: Solve for x
    x = 72,136,929.98/8,771.90
  6. Step 6: Final answer
    x = 8,223.64

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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.