Home / 7,835.67-11,755.53-2,905.47

Finding the Fourth Proportional to 7,835.67, 11,755.53 and 2,905.47

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Solution

The fourth proportional to 7,835.67, 11,755.53 and 2,905.47 is: 4,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.67 : 11,755.53 = 2,905.47 : x
  2. Step 2: Convert to fraction form
    7,835.67/11,755.53 = 2,905.47/x
  3. Step 3: Cross multiply
    7,835.67x = 11,755.53 × 2,905.47
  4. Step 4: Simplify right side
    7,835.67x = 34,155,339.75
  5. Step 5: Solve for x
    x = 34,155,339.75/7,835.67
  6. Step 6: Final answer
    x = 4,358.96

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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.