Home / 3,495.87-5,221.36-3,166.11

Finding the Fourth Proportional to 3,495.87, 5,221.36 and 3,166.11

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Solution

The fourth proportional to 3,495.87, 5,221.36 and 3,166.11 is: 4,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.87 : 5,221.36 = 3,166.11 : x
  2. Step 2: Convert to fraction form
    3,495.87/5,221.36 = 3,166.11/x
  3. Step 3: Cross multiply
    3,495.87x = 5,221.36 × 3,166.11
  4. Step 4: Simplify right side
    3,495.87x = 16,531,392.19
  5. Step 5: Solve for x
    x = 16,531,392.19/3,495.87
  6. Step 6: Final answer
    x = 4,728.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.