Home / 6,838.21-9,436.48-3,854.32

Finding the Fourth Proportional to 6,838.21, 9,436.48 and 3,854.32

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Solution

The fourth proportional to 6,838.21, 9,436.48 and 3,854.32 is: 5,318.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.21 : 9,436.48 = 3,854.32 : x
  2. Step 2: Convert to fraction form
    6,838.21/9,436.48 = 3,854.32/x
  3. Step 3: Cross multiply
    6,838.21x = 9,436.48 × 3,854.32
  4. Step 4: Simplify right side
    6,838.21x = 36,371,180.37
  5. Step 5: Solve for x
    x = 36,371,180.37/6,838.21
  6. Step 6: Final answer
    x = 5,318.82

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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.