Home / 5,511.40-7,605.60-3,153.39

Finding the Fourth Proportional to 5,511.40, 7,605.60 and 3,153.39

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Solution

The fourth proportional to 5,511.40, 7,605.60 and 3,153.39 is: 4,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.40 : 7,605.60 = 3,153.39 : x
  2. Step 2: Convert to fraction form
    5,511.40/7,605.60 = 3,153.39/x
  3. Step 3: Cross multiply
    5,511.40x = 7,605.60 × 3,153.39
  4. Step 4: Simplify right side
    5,511.40x = 23,983,422.98
  5. Step 5: Solve for x
    x = 23,983,422.98/5,511.40
  6. Step 6: Final answer
    x = 4,351.60

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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.