Home / 9,177.20-12,676.40-6,792.05

Finding the Fourth Proportional to 9,177.20, 12,676.40 and 6,792.05

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Solution

The fourth proportional to 9,177.20, 12,676.40 and 6,792.05 is: 9,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.20 : 12,676.40 = 6,792.05 : x
  2. Step 2: Convert to fraction form
    9,177.20/12,676.40 = 6,792.05/x
  3. Step 3: Cross multiply
    9,177.20x = 12,676.40 × 6,792.05
  4. Step 4: Simplify right side
    9,177.20x = 86,098,765.82
  5. Step 5: Solve for x
    x = 86,098,765.82/9,177.20
  6. Step 6: Final answer
    x = 9,381.81

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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.