Home / 6,749.64-10,115.07-3,455.79

Finding the Fourth Proportional to 6,749.64, 10,115.07 and 3,455.79

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Solution

The fourth proportional to 6,749.64, 10,115.07 and 3,455.79 is: 5,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.64 : 10,115.07 = 3,455.79 : x
  2. Step 2: Convert to fraction form
    6,749.64/10,115.07 = 3,455.79/x
  3. Step 3: Cross multiply
    6,749.64x = 10,115.07 × 3,455.79
  4. Step 4: Simplify right side
    6,749.64x = 34,955,557.76
  5. Step 5: Solve for x
    x = 34,955,557.76/6,749.64
  6. Step 6: Final answer
    x = 5,178.88

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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.