Home / 4,270.09-6,407.11-1,636.73

Finding the Fourth Proportional to 4,270.09, 6,407.11 and 1,636.73

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Solution

The fourth proportional to 4,270.09, 6,407.11 and 1,636.73 is: 2,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.09 : 6,407.11 = 1,636.73 : x
  2. Step 2: Convert to fraction form
    4,270.09/6,407.11 = 1,636.73/x
  3. Step 3: Cross multiply
    4,270.09x = 6,407.11 × 1,636.73
  4. Step 4: Simplify right side
    4,270.09x = 10,486,689.04
  5. Step 5: Solve for x
    x = 10,486,689.04/4,270.09
  6. Step 6: Final answer
    x = 2,455.85

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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.