Home / 8,192.24-12,290.43-3,509.90

Finding the Fourth Proportional to 8,192.24, 12,290.43 and 3,509.90

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Solution

The fourth proportional to 8,192.24, 12,290.43 and 3,509.90 is: 5,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.24 : 12,290.43 = 3,509.90 : x
  2. Step 2: Convert to fraction form
    8,192.24/12,290.43 = 3,509.90/x
  3. Step 3: Cross multiply
    8,192.24x = 12,290.43 × 3,509.90
  4. Step 4: Simplify right side
    8,192.24x = 43,138,180.26
  5. Step 5: Solve for x
    x = 43,138,180.26/8,192.24
  6. Step 6: Final answer
    x = 5,265.74

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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.