Home / 5,673.75-8,504.31-4,282.57

Finding the Fourth Proportional to 5,673.75, 8,504.31 and 4,282.57

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Solution

The fourth proportional to 5,673.75, 8,504.31 and 4,282.57 is: 6,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.75 : 8,504.31 = 4,282.57 : x
  2. Step 2: Convert to fraction form
    5,673.75/8,504.31 = 4,282.57/x
  3. Step 3: Cross multiply
    5,673.75x = 8,504.31 × 4,282.57
  4. Step 4: Simplify right side
    5,673.75x = 36,420,329.57
  5. Step 5: Solve for x
    x = 36,420,329.57/5,673.75
  6. Step 6: Final answer
    x = 6,419.10

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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.