Home / 8,690.96-13,036.45-2,450.92

Finding the Fourth Proportional to 8,690.96, 13,036.45 and 2,450.92

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Solution

The fourth proportional to 8,690.96, 13,036.45 and 2,450.92 is: 3,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.96 : 13,036.45 = 2,450.92 : x
  2. Step 2: Convert to fraction form
    8,690.96/13,036.45 = 2,450.92/x
  3. Step 3: Cross multiply
    8,690.96x = 13,036.45 × 2,450.92
  4. Step 4: Simplify right side
    8,690.96x = 31,951,296.03
  5. Step 5: Solve for x
    x = 31,951,296.03/8,690.96
  6. Step 6: Final answer
    x = 3,676.38

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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.