Home / 4,319.68-6,474.64-1,719.60

Finding the Fourth Proportional to 4,319.68, 6,474.64 and 1,719.60

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Solution

The fourth proportional to 4,319.68, 6,474.64 and 1,719.60 is: 2,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.68 : 6,474.64 = 1,719.60 : x
  2. Step 2: Convert to fraction form
    4,319.68/6,474.64 = 1,719.60/x
  3. Step 3: Cross multiply
    4,319.68x = 6,474.64 × 1,719.60
  4. Step 4: Simplify right side
    4,319.68x = 11,133,790.94
  5. Step 5: Solve for x
    x = 11,133,790.94/4,319.68
  6. Step 6: Final answer
    x = 2,577.46

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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.