Home / 6,170.20-8,511.78-3,651.10

Finding the Fourth Proportional to 6,170.20, 8,511.78 and 3,651.10

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Solution

The fourth proportional to 6,170.20, 8,511.78 and 3,651.10 is: 5,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.20 : 8,511.78 = 3,651.10 : x
  2. Step 2: Convert to fraction form
    6,170.20/8,511.78 = 3,651.10/x
  3. Step 3: Cross multiply
    6,170.20x = 8,511.78 × 3,651.10
  4. Step 4: Simplify right side
    6,170.20x = 31,077,359.96
  5. Step 5: Solve for x
    x = 31,077,359.96/6,170.20
  6. Step 6: Final answer
    x = 5,036.69

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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.