Home / 8,791.34-13,170.44-4,343.79

Finding the Fourth Proportional to 8,791.34, 13,170.44 and 4,343.79

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Solution

The fourth proportional to 8,791.34, 13,170.44 and 4,343.79 is: 6,507.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.34 : 13,170.44 = 4,343.79 : x
  2. Step 2: Convert to fraction form
    8,791.34/13,170.44 = 4,343.79/x
  3. Step 3: Cross multiply
    8,791.34x = 13,170.44 × 4,343.79
  4. Step 4: Simplify right side
    8,791.34x = 57,209,625.57
  5. Step 5: Solve for x
    x = 57,209,625.57/8,791.34
  6. Step 6: Final answer
    x = 6,507.50

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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.