Home / 8,771.04-13,156.56-2,615.04

Finding the Fourth Proportional to 8,771.04, 13,156.56 and 2,615.04

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Solution

The fourth proportional to 8,771.04, 13,156.56 and 2,615.04 is: 3,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.04 : 13,156.56 = 2,615.04 : x
  2. Step 2: Convert to fraction form
    8,771.04/13,156.56 = 2,615.04/x
  3. Step 3: Cross multiply
    8,771.04x = 13,156.56 × 2,615.04
  4. Step 4: Simplify right side
    8,771.04x = 34,404,930.66
  5. Step 5: Solve for x
    x = 34,404,930.66/8,771.04
  6. Step 6: Final answer
    x = 3,922.56

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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.