Home / 4,321.14-6,477.35-1,687.02

Finding the Fourth Proportional to 4,321.14, 6,477.35 and 1,687.02

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Solution

The fourth proportional to 4,321.14, 6,477.35 and 1,687.02 is: 2,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.14 : 6,477.35 = 1,687.02 : x
  2. Step 2: Convert to fraction form
    4,321.14/6,477.35 = 1,687.02/x
  3. Step 3: Cross multiply
    4,321.14x = 6,477.35 × 1,687.02
  4. Step 4: Simplify right side
    4,321.14x = 10,927,410.56
  5. Step 5: Solve for x
    x = 10,927,410.56/4,321.14
  6. Step 6: Final answer
    x = 2,528.83

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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.