Home / 8,160.94-12,237.62-2,613.04

Finding the Fourth Proportional to 8,160.94, 12,237.62 and 2,613.04

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Solution

The fourth proportional to 8,160.94, 12,237.62 and 2,613.04 is: 3,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.94 : 12,237.62 = 2,613.04 : x
  2. Step 2: Convert to fraction form
    8,160.94/12,237.62 = 2,613.04/x
  3. Step 3: Cross multiply
    8,160.94x = 12,237.62 × 2,613.04
  4. Step 4: Simplify right side
    8,160.94x = 31,977,390.56
  5. Step 5: Solve for x
    x = 31,977,390.56/8,160.94
  6. Step 6: Final answer
    x = 3,918.35

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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.