Home / 5,511.12-7,605.47-3,153.27

Finding the Fourth Proportional to 5,511.12, 7,605.47 and 3,153.27

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Solution

The fourth proportional to 5,511.12, 7,605.47 and 3,153.27 is: 4,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.12 : 7,605.47 = 3,153.27 : x
  2. Step 2: Convert to fraction form
    5,511.12/7,605.47 = 3,153.27/x
  3. Step 3: Cross multiply
    5,511.12x = 7,605.47 × 3,153.27
  4. Step 4: Simplify right side
    5,511.12x = 23,982,084.62
  5. Step 5: Solve for x
    x = 23,982,084.62/5,511.12
  6. Step 6: Final answer
    x = 4,351.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.