Home / 5,325.75-7,988.58-1,627.62

Finding the Fourth Proportional to 5,325.75, 7,988.58 and 1,627.62

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Solution

The fourth proportional to 5,325.75, 7,988.58 and 1,627.62 is: 2,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.75 : 7,988.58 = 1,627.62 : x
  2. Step 2: Convert to fraction form
    5,325.75/7,988.58 = 1,627.62/x
  3. Step 3: Cross multiply
    5,325.75x = 7,988.58 × 1,627.62
  4. Step 4: Simplify right side
    5,325.75x = 13,002,372.58
  5. Step 5: Solve for x
    x = 13,002,372.58/5,325.75
  6. Step 6: Final answer
    x = 2,441.42

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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.