Home / 7,137.32-9,849.53-3,993.50

Finding the Fourth Proportional to 7,137.32, 9,849.53 and 3,993.50

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Solution

The fourth proportional to 7,137.32, 9,849.53 and 3,993.50 is: 5,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.32 : 9,849.53 = 3,993.50 : x
  2. Step 2: Convert to fraction form
    7,137.32/9,849.53 = 3,993.50/x
  3. Step 3: Cross multiply
    7,137.32x = 9,849.53 × 3,993.50
  4. Step 4: Simplify right side
    7,137.32x = 39,334,078.09
  5. Step 5: Solve for x
    x = 39,334,078.09/7,137.32
  6. Step 6: Final answer
    x = 5,511.05

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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.