Home / 8,748.96-13,120.61-2,904

Finding the Fourth Proportional to 8,748.96, 13,120.61 and 2,904

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Solution

The fourth proportional to 8,748.96, 13,120.61 and 2,904 is: 4,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.96 : 13,120.61 = 2,904 : x
  2. Step 2: Convert to fraction form
    8,748.96/13,120.61 = 2,904/x
  3. Step 3: Cross multiply
    8,748.96x = 13,120.61 × 2,904
  4. Step 4: Simplify right side
    8,748.96x = 38,102,236.92
  5. Step 5: Solve for x
    x = 38,102,236.92/8,748.96
  6. Step 6: Final answer
    x = 4,355.06

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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.