Home / 8,370.28-12,538.41-6,717.88

Finding the Fourth Proportional to 8,370.28, 12,538.41 and 6,717.88

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Solution

The fourth proportional to 8,370.28, 12,538.41 and 6,717.88 is: 10,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.28 : 12,538.41 = 6,717.88 : x
  2. Step 2: Convert to fraction form
    8,370.28/12,538.41 = 6,717.88/x
  3. Step 3: Cross multiply
    8,370.28x = 12,538.41 × 6,717.88
  4. Step 4: Simplify right side
    8,370.28x = 84,231,533.77
  5. Step 5: Solve for x
    x = 84,231,533.77/8,370.28
  6. Step 6: Final answer
    x = 10,063.17

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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.