Home / 7,440.20-11,160.32-3,054.58

Finding the Fourth Proportional to 7,440.20, 11,160.32 and 3,054.58

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Solution

The fourth proportional to 7,440.20, 11,160.32 and 3,054.58 is: 4,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.20 : 11,160.32 = 3,054.58 : x
  2. Step 2: Convert to fraction form
    7,440.20/11,160.32 = 3,054.58/x
  3. Step 3: Cross multiply
    7,440.20x = 11,160.32 × 3,054.58
  4. Step 4: Simplify right side
    7,440.20x = 34,090,090.27
  5. Step 5: Solve for x
    x = 34,090,090.27/7,440.20
  6. Step 6: Final answer
    x = 4,581.88

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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.