Home / 5,321.77-7,334.85-3,993.17

Finding the Fourth Proportional to 5,321.77, 7,334.85 and 3,993.17

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Solution

The fourth proportional to 5,321.77, 7,334.85 and 3,993.17 is: 5,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.77 : 7,334.85 = 3,993.17 : x
  2. Step 2: Convert to fraction form
    5,321.77/7,334.85 = 3,993.17/x
  3. Step 3: Cross multiply
    5,321.77x = 7,334.85 × 3,993.17
  4. Step 4: Simplify right side
    5,321.77x = 29,289,281.27
  5. Step 5: Solve for x
    x = 29,289,281.27/5,321.77
  6. Step 6: Final answer
    x = 5,503.68

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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.