Home / 8,708.22-13,045.32-6,956.79

Finding the Fourth Proportional to 8,708.22, 13,045.32 and 6,956.79

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Solution

The fourth proportional to 8,708.22, 13,045.32 and 6,956.79 is: 10,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.22 : 13,045.32 = 6,956.79 : x
  2. Step 2: Convert to fraction form
    8,708.22/13,045.32 = 6,956.79/x
  3. Step 3: Cross multiply
    8,708.22x = 13,045.32 × 6,956.79
  4. Step 4: Simplify right side
    8,708.22x = 90,753,551.72
  5. Step 5: Solve for x
    x = 90,753,551.72/8,708.22
  6. Step 6: Final answer
    x = 10,421.60

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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.