Home / 4,231.15-6,337.47-2,147.56

Finding the Fourth Proportional to 4,231.15, 6,337.47 and 2,147.56

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Solution

The fourth proportional to 4,231.15, 6,337.47 and 2,147.56 is: 3,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.15 : 6,337.47 = 2,147.56 : x
  2. Step 2: Convert to fraction form
    4,231.15/6,337.47 = 2,147.56/x
  3. Step 3: Cross multiply
    4,231.15x = 6,337.47 × 2,147.56
  4. Step 4: Simplify right side
    4,231.15x = 13,610,097.07
  5. Step 5: Solve for x
    x = 13,610,097.07/4,231.15
  6. Step 6: Final answer
    x = 3,216.64

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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.