Home / 6,838.12-9,436.80-4,150.20

Finding the Fourth Proportional to 6,838.12, 9,436.80 and 4,150.20

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Solution

The fourth proportional to 6,838.12, 9,436.80 and 4,150.20 is: 5,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.12 : 9,436.80 = 4,150.20 : x
  2. Step 2: Convert to fraction form
    6,838.12/9,436.80 = 4,150.20/x
  3. Step 3: Cross multiply
    6,838.12x = 9,436.80 × 4,150.20
  4. Step 4: Simplify right side
    6,838.12x = 39,164,607.36
  5. Step 5: Solve for x
    x = 39,164,607.36/6,838.12
  6. Step 6: Final answer
    x = 5,727.39

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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.