Home / 7,548.54-11,318.70-2,617.78

Finding the Fourth Proportional to 7,548.54, 11,318.70 and 2,617.78

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Solution

The fourth proportional to 7,548.54, 11,318.70 and 2,617.78 is: 3,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.54 : 11,318.70 = 2,617.78 : x
  2. Step 2: Convert to fraction form
    7,548.54/11,318.70 = 2,617.78/x
  3. Step 3: Cross multiply
    7,548.54x = 11,318.70 × 2,617.78
  4. Step 4: Simplify right side
    7,548.54x = 29,629,866.49
  5. Step 5: Solve for x
    x = 29,629,866.49/7,548.54
  6. Step 6: Final answer
    x = 3,925.24

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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.