Home / 6,836.80-9,436.04-4,320.12

Finding the Fourth Proportional to 6,836.80, 9,436.04 and 4,320.12

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Solution

The fourth proportional to 6,836.80, 9,436.04 and 4,320.12 is: 5,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,836.80 : 9,436.04 = 4,320.12 : x
  2. Step 2: Convert to fraction form
    6,836.80/9,436.04 = 4,320.12/x
  3. Step 3: Cross multiply
    6,836.80x = 9,436.04 × 4,320.12
  4. Step 4: Simplify right side
    6,836.80x = 40,764,825.12
  5. Step 5: Solve for x
    x = 40,764,825.12/6,836.80
  6. Step 6: Final answer
    x = 5,962.56

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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.