Home / 4,172.64-6,251.67-3,720.66

Finding the Fourth Proportional to 4,172.64, 6,251.67 and 3,720.66

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Solution

The fourth proportional to 4,172.64, 6,251.67 and 3,720.66 is: 5,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.64 : 6,251.67 = 3,720.66 : x
  2. Step 2: Convert to fraction form
    4,172.64/6,251.67 = 3,720.66/x
  3. Step 3: Cross multiply
    4,172.64x = 6,251.67 × 3,720.66
  4. Step 4: Simplify right side
    4,172.64x = 23,260,338.50
  5. Step 5: Solve for x
    x = 23,260,338.50/4,172.64
  6. Step 6: Final answer
    x = 5,574.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.