Home / 5,511.09-7,605.11-2,993.15

Finding the Fourth Proportional to 5,511.09, 7,605.11 and 2,993.15

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Solution

The fourth proportional to 5,511.09, 7,605.11 and 2,993.15 is: 4,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.09 : 7,605.11 = 2,993.15 : x
  2. Step 2: Convert to fraction form
    5,511.09/7,605.11 = 2,993.15/x
  3. Step 3: Cross multiply
    5,511.09x = 7,605.11 × 2,993.15
  4. Step 4: Simplify right side
    5,511.09x = 22,763,182.01
  5. Step 5: Solve for x
    x = 22,763,182.01/5,511.09
  6. Step 6: Final answer
    x = 4,130.43

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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.