Home / 8,550.42-12,825.28-3,005.02

Finding the Fourth Proportional to 8,550.42, 12,825.28 and 3,005.02

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Solution

The fourth proportional to 8,550.42, 12,825.28 and 3,005.02 is: 4,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.42 : 12,825.28 = 3,005.02 : x
  2. Step 2: Convert to fraction form
    8,550.42/12,825.28 = 3,005.02/x
  3. Step 3: Cross multiply
    8,550.42x = 12,825.28 × 3,005.02
  4. Step 4: Simplify right side
    8,550.42x = 38,540,222.91
  5. Step 5: Solve for x
    x = 38,540,222.91/8,550.42
  6. Step 6: Final answer
    x = 4,507.41

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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.