Home / 4,238.28-6,355.80-3,509.28

Finding the Fourth Proportional to 4,238.28, 6,355.80 and 3,509.28

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Solution

The fourth proportional to 4,238.28, 6,355.80 and 3,509.28 is: 5,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.28 : 6,355.80 = 3,509.28 : x
  2. Step 2: Convert to fraction form
    4,238.28/6,355.80 = 3,509.28/x
  3. Step 3: Cross multiply
    4,238.28x = 6,355.80 × 3,509.28
  4. Step 4: Simplify right side
    4,238.28x = 22,304,281.82
  5. Step 5: Solve for x
    x = 22,304,281.82/4,238.28
  6. Step 6: Final answer
    x = 5,262.58

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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.