Home / 5,172.33-7,756.22-1,473.72

Finding the Fourth Proportional to 5,172.33, 7,756.22 and 1,473.72

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Solution

The fourth proportional to 5,172.33, 7,756.22 and 1,473.72 is: 2,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.33 : 7,756.22 = 1,473.72 : x
  2. Step 2: Convert to fraction form
    5,172.33/7,756.22 = 1,473.72/x
  3. Step 3: Cross multiply
    5,172.33x = 7,756.22 × 1,473.72
  4. Step 4: Simplify right side
    5,172.33x = 11,430,486.73
  5. Step 5: Solve for x
    x = 11,430,486.73/5,172.33
  6. Step 6: Final answer
    x = 2,209.93

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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.