Home / 6,451.09-9,677.99-2,071.62

Finding the Fourth Proportional to 6,451.09, 9,677.99 and 2,071.62

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Solution

The fourth proportional to 6,451.09, 9,677.99 and 2,071.62 is: 3,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.09 : 9,677.99 = 2,071.62 : x
  2. Step 2: Convert to fraction form
    6,451.09/9,677.99 = 2,071.62/x
  3. Step 3: Cross multiply
    6,451.09x = 9,677.99 × 2,071.62
  4. Step 4: Simplify right side
    6,451.09x = 20,049,122.82
  5. Step 5: Solve for x
    x = 20,049,122.82/6,451.09
  6. Step 6: Final answer
    x = 3,107.87

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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.