Home / 4,507.78-6,756.87-2,659.76

Finding the Fourth Proportional to 4,507.78, 6,756.87 and 2,659.76

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Solution

The fourth proportional to 4,507.78, 6,756.87 and 2,659.76 is: 3,986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.78 : 6,756.87 = 2,659.76 : x
  2. Step 2: Convert to fraction form
    4,507.78/6,756.87 = 2,659.76/x
  3. Step 3: Cross multiply
    4,507.78x = 6,756.87 × 2,659.76
  4. Step 4: Simplify right side
    4,507.78x = 17,971,652.55
  5. Step 5: Solve for x
    x = 17,971,652.55/4,507.78
  6. Step 6: Final answer
    x = 3,986.81

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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.