Home / 8,704.19-12,002.92-7,744.07

Finding the Fourth Proportional to 8,704.19, 12,002.92 and 7,744.07

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Solution

The fourth proportional to 8,704.19, 12,002.92 and 7,744.07 is: 10,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.19 : 12,002.92 = 7,744.07 : x
  2. Step 2: Convert to fraction form
    8,704.19/12,002.92 = 7,744.07/x
  3. Step 3: Cross multiply
    8,704.19x = 12,002.92 × 7,744.07
  4. Step 4: Simplify right side
    8,704.19x = 92,951,463.33
  5. Step 5: Solve for x
    x = 92,951,463.33/8,704.19
  6. Step 6: Final answer
    x = 10,678.93

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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.