Home / 5,401.66-7,453.77-3,986.13

Finding the Fourth Proportional to 5,401.66, 7,453.77 and 3,986.13

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Solution

The fourth proportional to 5,401.66, 7,453.77 and 3,986.13 is: 5,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.66 : 7,453.77 = 3,986.13 : x
  2. Step 2: Convert to fraction form
    5,401.66/7,453.77 = 3,986.13/x
  3. Step 3: Cross multiply
    5,401.66x = 7,453.77 × 3,986.13
  4. Step 4: Simplify right side
    5,401.66x = 29,711,696.21
  5. Step 5: Solve for x
    x = 29,711,696.21/5,401.66
  6. Step 6: Final answer
    x = 5,500.48

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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.