Home / 8,761.60-13,130.34-3,835.36

Finding the Fourth Proportional to 8,761.60, 13,130.34 and 3,835.36

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Solution

The fourth proportional to 8,761.60, 13,130.34 and 3,835.36 is: 5,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.60 : 13,130.34 = 3,835.36 : x
  2. Step 2: Convert to fraction form
    8,761.60/13,130.34 = 3,835.36/x
  3. Step 3: Cross multiply
    8,761.60x = 13,130.34 × 3,835.36
  4. Step 4: Simplify right side
    8,761.60x = 50,359,580.82
  5. Step 5: Solve for x
    x = 50,359,580.82/8,761.60
  6. Step 6: Final answer
    x = 5,747.76

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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.