Home / 7,785.45-11,677.85-3,624.03

Finding the Fourth Proportional to 7,785.45, 11,677.85 and 3,624.03

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Solution

The fourth proportional to 7,785.45, 11,677.85 and 3,624.03 is: 5,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.45 : 11,677.85 = 3,624.03 : x
  2. Step 2: Convert to fraction form
    7,785.45/11,677.85 = 3,624.03/x
  3. Step 3: Cross multiply
    7,785.45x = 11,677.85 × 3,624.03
  4. Step 4: Simplify right side
    7,785.45x = 42,320,802.23
  5. Step 5: Solve for x
    x = 42,320,802.23/7,785.45
  6. Step 6: Final answer
    x = 5,435.88

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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.