Home / 7,635.60-11,443.86-4,125.47

Finding the Fourth Proportional to 7,635.60, 11,443.86 and 4,125.47

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Solution

The fourth proportional to 7,635.60, 11,443.86 and 4,125.47 is: 6,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.60 : 11,443.86 = 4,125.47 : x
  2. Step 2: Convert to fraction form
    7,635.60/11,443.86 = 4,125.47/x
  3. Step 3: Cross multiply
    7,635.60x = 11,443.86 × 4,125.47
  4. Step 4: Simplify right side
    7,635.60x = 47,211,243.89
  5. Step 5: Solve for x
    x = 47,211,243.89/7,635.60
  6. Step 6: Final answer
    x = 6,183.04

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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.