Home / 6,451.47-9,678.60-2,069.37

Finding the Fourth Proportional to 6,451.47, 9,678.60 and 2,069.37

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Solution

The fourth proportional to 6,451.47, 9,678.60 and 2,069.37 is: 3,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.47 : 9,678.60 = 2,069.37 : x
  2. Step 2: Convert to fraction form
    6,451.47/9,678.60 = 2,069.37/x
  3. Step 3: Cross multiply
    6,451.47x = 9,678.60 × 2,069.37
  4. Step 4: Simplify right side
    6,451.47x = 20,028,604.48
  5. Step 5: Solve for x
    x = 20,028,604.48/6,451.47
  6. Step 6: Final answer
    x = 3,104.50

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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.