Home / 4,238.21-6,357.43-1,465.05

Finding the Fourth Proportional to 4,238.21, 6,357.43 and 1,465.05

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Solution

The fourth proportional to 4,238.21, 6,357.43 and 1,465.05 is: 2,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.21 : 6,357.43 = 1,465.05 : x
  2. Step 2: Convert to fraction form
    4,238.21/6,357.43 = 1,465.05/x
  3. Step 3: Cross multiply
    4,238.21x = 6,357.43 × 1,465.05
  4. Step 4: Simplify right side
    4,238.21x = 9,313,978.49
  5. Step 5: Solve for x
    x = 9,313,978.49/4,238.21
  6. Step 6: Final answer
    x = 2,197.62

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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.