Home / 8,742.60-13,110.62-3,744.83

Finding the Fourth Proportional to 8,742.60, 13,110.62 and 3,744.83

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Solution

The fourth proportional to 8,742.60, 13,110.62 and 3,744.83 is: 5,615.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.60 : 13,110.62 = 3,744.83 : x
  2. Step 2: Convert to fraction form
    8,742.60/13,110.62 = 3,744.83/x
  3. Step 3: Cross multiply
    8,742.60x = 13,110.62 × 3,744.83
  4. Step 4: Simplify right side
    8,742.60x = 49,097,024.37
  5. Step 5: Solve for x
    x = 49,097,024.37/8,742.60
  6. Step 6: Final answer
    x = 5,615.84

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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.