Home / 6,868.20-9,477.94-3,724.36

Finding the Fourth Proportional to 6,868.20, 9,477.94 and 3,724.36

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Solution

The fourth proportional to 6,868.20, 9,477.94 and 3,724.36 is: 5,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.20 : 9,477.94 = 3,724.36 : x
  2. Step 2: Convert to fraction form
    6,868.20/9,477.94 = 3,724.36/x
  3. Step 3: Cross multiply
    6,868.20x = 9,477.94 × 3,724.36
  4. Step 4: Simplify right side
    6,868.20x = 35,299,260.62
  5. Step 5: Solve for x
    x = 35,299,260.62/6,868.20
  6. Step 6: Final answer
    x = 5,139.52

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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.