Home / 7,448.36-11,172.54-4,156.52

Finding the Fourth Proportional to 7,448.36, 11,172.54 and 4,156.52

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Solution

The fourth proportional to 7,448.36, 11,172.54 and 4,156.52 is: 6,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.36 : 11,172.54 = 4,156.52 : x
  2. Step 2: Convert to fraction form
    7,448.36/11,172.54 = 4,156.52/x
  3. Step 3: Cross multiply
    7,448.36x = 11,172.54 × 4,156.52
  4. Step 4: Simplify right side
    7,448.36x = 46,438,885.96
  5. Step 5: Solve for x
    x = 46,438,885.96/7,448.36
  6. Step 6: Final answer
    x = 6,234.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.