Home / 3,750.62-5,172.90-3,499.11

Finding the Fourth Proportional to 3,750.62, 5,172.90 and 3,499.11

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Solution

The fourth proportional to 3,750.62, 5,172.90 and 3,499.11 is: 4,826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.62 : 5,172.90 = 3,499.11 : x
  2. Step 2: Convert to fraction form
    3,750.62/5,172.90 = 3,499.11/x
  3. Step 3: Cross multiply
    3,750.62x = 5,172.90 × 3,499.11
  4. Step 4: Simplify right side
    3,750.62x = 18,100,533.00
  5. Step 5: Solve for x
    x = 18,100,533.00/3,750.62
  6. Step 6: Final answer
    x = 4,826.02

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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.