Home / 6,868.06-9,477.84-3,724.21

Finding the Fourth Proportional to 6,868.06, 9,477.84 and 3,724.21

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Solution

The fourth proportional to 6,868.06, 9,477.84 and 3,724.21 is: 5,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.06 : 9,477.84 = 3,724.21 : x
  2. Step 2: Convert to fraction form
    6,868.06/9,477.84 = 3,724.21/x
  3. Step 3: Cross multiply
    6,868.06x = 9,477.84 × 3,724.21
  4. Step 4: Simplify right side
    6,868.06x = 35,297,466.51
  5. Step 5: Solve for x
    x = 35,297,466.51/6,868.06
  6. Step 6: Final answer
    x = 5,139.36

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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.