Home / 5,511.20-7,605.47-2,993.32

Finding the Fourth Proportional to 5,511.20, 7,605.47 and 2,993.32

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Solution

The fourth proportional to 5,511.20, 7,605.47 and 2,993.32 is: 4,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.20 : 7,605.47 = 2,993.32 : x
  2. Step 2: Convert to fraction form
    5,511.20/7,605.47 = 2,993.32/x
  3. Step 3: Cross multiply
    5,511.20x = 7,605.47 × 2,993.32
  4. Step 4: Simplify right side
    5,511.20x = 22,765,605.46
  5. Step 5: Solve for x
    x = 22,765,605.46/5,511.20
  6. Step 6: Final answer
    x = 4,130.79

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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.