Home / 7,188.34-10,785.18-3,238.41

Finding the Fourth Proportional to 7,188.34, 10,785.18 and 3,238.41

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Solution

The fourth proportional to 7,188.34, 10,785.18 and 3,238.41 is: 4,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.34 : 10,785.18 = 3,238.41 : x
  2. Step 2: Convert to fraction form
    7,188.34/10,785.18 = 3,238.41/x
  3. Step 3: Cross multiply
    7,188.34x = 10,785.18 × 3,238.41
  4. Step 4: Simplify right side
    7,188.34x = 34,926,817.58
  5. Step 5: Solve for x
    x = 34,926,817.58/7,188.34
  6. Step 6: Final answer
    x = 4,858.82

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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.