Home / 6,172.32-8,519.38-3,813.10

Finding the Fourth Proportional to 6,172.32, 8,519.38 and 3,813.10

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Solution

The fourth proportional to 6,172.32, 8,519.38 and 3,813.10 is: 5,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.32 : 8,519.38 = 3,813.10 : x
  2. Step 2: Convert to fraction form
    6,172.32/8,519.38 = 3,813.10/x
  3. Step 3: Cross multiply
    6,172.32x = 8,519.38 × 3,813.10
  4. Step 4: Simplify right side
    6,172.32x = 32,485,247.88
  5. Step 5: Solve for x
    x = 32,485,247.88/6,172.32
  6. Step 6: Final answer
    x = 5,263.05

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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.