Home / 8,169.88-11,272.18-5,184.24

Finding the Fourth Proportional to 8,169.88, 11,272.18 and 5,184.24

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Solution

The fourth proportional to 8,169.88, 11,272.18 and 5,184.24 is: 7,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.88 : 11,272.18 = 5,184.24 : x
  2. Step 2: Convert to fraction form
    8,169.88/11,272.18 = 5,184.24/x
  3. Step 3: Cross multiply
    8,169.88x = 11,272.18 × 5,184.24
  4. Step 4: Simplify right side
    8,169.88x = 58,437,686.44
  5. Step 5: Solve for x
    x = 58,437,686.44/8,169.88
  6. Step 6: Final answer
    x = 7,152.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.