Home / 4,228.61-6,343.88-1,455.26

Finding the Fourth Proportional to 4,228.61, 6,343.88 and 1,455.26

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Solution

The fourth proportional to 4,228.61, 6,343.88 and 1,455.26 is: 2,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.61 : 6,343.88 = 1,455.26 : x
  2. Step 2: Convert to fraction form
    4,228.61/6,343.88 = 1,455.26/x
  3. Step 3: Cross multiply
    4,228.61x = 6,343.88 × 1,455.26
  4. Step 4: Simplify right side
    4,228.61x = 9,231,955.81
  5. Step 5: Solve for x
    x = 9,231,955.81/4,228.61
  6. Step 6: Final answer
    x = 2,183.22

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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.